Which is an adaptation that helps birds maintain a stable body temperature?
air sacs connected to lungs
large chest muscles
down feathers
nearly hollow bones

Answers

Answer 1
Which is an adaptation that helps birds maintain a stable body temperature?

down feathers
Answer 2

Answer:

the answer is down feathers. Or C

Explanation:

I just took the unit review test


Related Questions

plesss help I'm in die mode pless help​

Answers

Answer:

The fiberglass is the most affective at keeping the ice cream from melting.

Explanation:

The bolder dots are the fiber glass, and the line is not going up (melting), so it's the least melted.

I will mark brainlyest

A group is a collection of same kind of organisms that travel together, live, and perform daily tasks together.
Scientists claim that group behavior can increase the chances for an individual and a species to survive and reproduce.
What are the pro's of group behavior? Choose ALL that could apply.
A)
Reduced chance of predation.
B)
Better chance at finding a mate.
Improved foraging, locating food sources.
D)
Increased competition for food or a mate.
E)
No struggle for authority; shared leadership roles.

Answers

Answer:

a b e

Explanation:

these are all pros of living in groups

Why are renewable sources of energy better than nonrenewable sources? A. Because they release carbon dioxide B. Because they can be used again C. Because they contain more energy D. Because they are less expensive

Answers

Answer:C

Explanation:because it needs carbon dioxide and it can be used again

Write TRUE if the statement is correct and FALSE if the statement is incorrect on the blank
provided
1. Conifers produce seeds in flowers.
2. A conifer's seeds are made inside a cone.
3. Cone-bearing plants are called angiosperms.
4. Cone-bearing plants make male and female cones
5. With conifers, pollen grains are transfered by the wind from the male come to the female
cone.​

Answers

True
Trues
False
True
True

Answer:

1. Conifers produce seeds in flowers.(FALSE)

2. A conifer's seeds are made inside a cone.(TRUE)

3. Cone-bearing plants are called angiosperms.(FALSE, flowering plants are angiosperms)

4. Cone-bearing plants make male and female cones (TRUE! There are both male and female cones)

5. With conifers, pollen grains are transfered by the wind from the male come to the female cone.​ (TRUE! the male cones are located at the top of the tree and the wind carries the sperm to the female cones)

QUICK HELP! A team of scientists found an organism in the tropical rainforest hidden in a cave. They have learned that this organism is multicellular, appears to reproduce both asexually and sexually, is eukaryotic, and is a decomposer. What kingdom(s) could this organism belong to? Choose all that apply.

Answers

Answer:

I think kingdom protista, plantae, or animalia

Answer: Plantae, animalia, protista

Explanation: I got right on test.

Giving a lot of point and brainiest!!

How does cooling of magma affect crystal size?

A) Slow cooling creates small crystals

B) Fast cooling creates both large and small crystals.

C) Slow cooling creates large crystals

D) Fast cooling create large crystals

Answers

Answer:

When magma cools, crystals form because the solution is super-saturated with respect to some minerals. If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large.

Answer:

I learned about this, Uhm...

C is the right answer bc igneous rocks cool and form crystals.

Lava, since it comes out of a volcano, cools faster and has smaller crystals since they could not be developed enough.

Magma, still underground, cools slower than lava because of all the density and heat, which causes bigger crystals.

Hope this helps :)

PLEASSEEE help me ASAP​

Answers

Answer:

Our of the cell

Explanation:

Please mark me as a Brainliest and follow for more answers

HELP!!!!!!!!!
Which kind of molecule provides building blocks for tissues, transports
other molecules, and helps regulate certain reactions in the human body?
A. carbohydrates
B.lipids
C. proteins
D. nucleic acids

Answers

Answer:

C : Proteins

Explanation:

(Can I get brainlest?)

Proteins are the molecules that provide building blocks for tissues, transports other molecules, and helps regulate certain reactions in the human body. The correct option is C.

What are proteins?

A protein is a found naturally, extremely complex substance composed of amino acid residues linked together by peptide bonds.

Proteins are found in all living life forms and contain a variety of important biological compounds such as enzymes, hormones, and antibodies.

Proteins are massive complex molecules that perform numerous important functions in the body.

They are essential for the structure, function, and regulation of the body's tissues and organs and do the majority of the work in cells.

Proteins are molecules that serve as foundation for tissues, transport other molecules, and aid in the regulation of certain bodily reactions.

Thus, the correct option is C.

For more details regarding proteins, visit:

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This is the question I need help with number 54

Answers

Answer:

A

Explanation:

a bacteria takes a longer time to spread throughout the body  

How do trees help reduce carbon dioxide in the atmosphere?

Answers

Explanation:

Trees, like all plants, use the energy of sunlight to take carbon dioxide (CO2) from the air and water from the ground through the mechanism of photosynthesis. They release oxygen into the air during the process of turning it to wood.

and no- this is not copied :)

In ancient times, people believed Earth was the center of the Solar System. Which of the following makes the geocentric model impossible?
O The moon revolves around Earth.
O Earth's gravitational force is much less than the Sun's.
o Orbits are elliptical, not circular
There are other planets that are closer to the Sun.

Answers

I believe that the answers is “Earth’s gravitational force is much less than the Sun’s”

I hope I was helpful! Have a nice day! ~(^v^)~

Science question-
What are the two types of igneous?

A.Away from each other

B.Toward each other

C.They don’t move

Please help!!Have a good day!

Answers

Igneous rocks are divided into two groups, intrusive or extrusive, depending upon where the molten rock solidifies. Intrusive Igneous Rocks: Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth.

Choc
Fill in the blanks to complete these sentences about rock characteristics.
A rock is an
of minerals.
The
of a rock is a result of its mineral composition.
Most rocks contain more than one type of

Answers

Answer and Explanation:

A rock is an made of minerals??

The forming of a rock is a result of its mineral composition??

Most rocks contain more than one type of mineral??

Answer:A rock is an made of minerals??

The forming of a rock is a result of its mineral composition

Explanation:

Which one of the following does not have its outer orbit full?
a. argon
b. neon
c. krypton
d. lithium

Answers

Answer:

Lithium

Explanation:

It is group I, not group 0.

Im thinking the answer is bacteria but I'm not sure

Answers

Answer:

Yes you are right

Explanation:

I did it in test

In what form is energy that is NOT used for life processes released from
living things?

A) Light energy
B) Sound energy
C) Thermal energy
D) Chemical energy

Answers

Answer:

a concave lens is exactly the opppostie with outer surfaces  curving inward, so it makes parallel light rays curve outward or diverge. That's why concave lenses are sometimes called diverging lenses. ... The distance from the center of the lens to the focal point is, again, the focal length of the lens.

Explanation:

In _______, _____________ ___________, looked at a piece of cork under his
microscope and called what he saw cells.

Answers

Answer:

1665

Robert hooke

Answer:

In 1665, Robert Hooke looked at a piece of cork under his

microscope and called what he saw cells.

Explanation:

Robert Hooke performed several experiments on the work of the cell theory and overall was the first scientist to discover them and coin the name of cells.

Hope that this helped out! (●´ω`●)

6. In corn plants, normal height (H) is dominant over short height (h). Complete a
hybrid (heterozygous) cross.
Hybrid
Corn
н һ
Phenotype Probability (%)
H
Normal Height:
0%
Hybrid
Corn
h
Short Height: 0%

Answers

Answer:

See the answer below

Explanation:

Normal height - H

Short height - h

Heterozygous - Hh

A cross involving heterozygotes would be Hh x Hh

         Hh    x    Hh

      HH   Hh   Hh   hh

Since H is dominant over h;

HH and Hh would produce normal height phenotypes.

hh will produce a short height phenotype.

Thus;

Probability of normal height phenotype resulting from the cross = 3/4 or 75%

Probability of short height phenotype resulting from the cross = 1/4 or 25%

Perhaps no one cares more about being able to see in the ocean than do divers. The Cayman Islands, Bonaire and the Bahamas are all popular dive destinations due to both submarine features, such as coral reefs, and water clarity. Under the best of circumstances, visibility in these locations is between 50 ft (15 m) to 150 ft (45 m). Based on this, and what you have learned about sound, write a paragraph describing those ways in which humans and marine organisms use sound for some underwater tasks and light for others.

Answers

Answer:

Humans and marine organisms use sound finding depth of the ocean and objects.

Explanation:

Humans and marine organisms use sound for some underwater tasks such as finding depth of the ocean and objects. Human use sonar which is a device used to explore the ocean and animals use echolocation to find food and identify objects that comes in their way. Sonar is present in submarine uses sound waves to detect objects that comes in their way so both humans and marine organisms use sounds.

Pairs of chromosomes contain (the same/different) types of genes.

Answers

Answer:

The 22 pairs of homologous chromosomes contain the same genes but code for different traits in their allelic forms since one was inherited from the mother and one from the father. So humans have two homologous chromosome sets in each cell, meaning humans are diploid organisms.

HOPE THIS HELPS

Exam Guidelines
Exam Instructions
Question 13 of 20 :
Select the best answer for the question
13. What molecular cloning tool do bacteria naturally produce to defend against viral infections?
O A. DNA ligase
O B. Restriction enzymes
O C. Antibiotics
O D. PCR
Mark for review (Will be highlighted on the review page)
Si
Type here to search
о

Answers

Answer:

O B. Restriction enzymes

Explanation:

Restriction enzymes has the ability to recognize specific DNA sequences and cut them in a specific manner in order to produced by the bacteria as a defense mechanism against foreign DNA containing substance such as viruses etc. This restriction enzyme is also called restriction endonucleases. This is a cloning tool that bacteria produced naturally in order to defend itself from the infection of virus.

The first stage of the cell cycle during which the cell matures and prepares to divide and copies
its DNA; The stage the cell stays in the most?

Answers

The first stage and the stage the cell stays in most is Interphase

The cell multiplies and creates a copy of its DNA during interphase. In the mitotic (M) phase, the cell divides into two new cells by dividing its cytoplasm and DNA into two sets.

What is the main role of interphase stage of cell cycle?

A cell consumes the bulk of its time in what is known as interphase, where it creates, duplicates its chromosomes, and acquires available to split. The cell then moves interphase, goes direct mitosis, and completes dividing.

The cell multiplies and the nuclear DNA is duplicated during interphase. The mitotic phase immediately follows interphase.

Chromosomes that have been duplicated are separated and distributed across daughter nuclei during the mitotic phase. Usually, the cytoplasm is divided as well, producing two daughter cells.

Therefore, The first stage and the stage the cell stays in most is Interphase.

Learn more about interphase stage here:

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Which of the following scientists discoverell that in DNA there is the same amount of 1 point
adenine as thymine and the same amount of guanine as cytosine?

Answers

Answer:Erwin Chargaff

Explanation:

B. Suspension c. Solution
D. Saturated solution
5. Which is a solvent in a cup of coffee?
A. coffee
B. creamer
c. sugar
D. water
6. Why should you shake the liquid medicine before drinking?
A. To make it effective. C. To mix the suspended particles at the bottom.
B. To make it taste better. D. To make it clear.
7. What should be done in a liquid medicine before drinking it?
A. Drink right away after opening. C. Let it stand for 3 minutes
B. Shake well
D. All of these
8. Which of the following is called a universal solvent?
A. water 8. gasoline C. juice D. diesel
m-Directions: For items 1-5 What method are you going​

Answers

Answer:

5.c 6.c 7.b 8.a

Explanation:

I hope it helps u :)

Burning fossil fuels for energy releases harmful emissions into the air. Which health concern is most likely related to these emissions?
A) Increases in blood cancers such as leukemia
B) Increases in skin disorders from absorption
C) Increases in respiratory illnesses such as asthma
D) Increases in digestive disorders from contaminated food

Answers

Answer:

Explanation:

its either c or b sorry if it is wrong

Answer:

C

Explanation:

If the harmful emissions are being released into the air, then the most logical answer would be an increase in respiratory illnesses auch as asthma.

It cannot be B or C because they specify that the disordera come from absorption and contaminated food, respectively.

It is most likely not A either.

((60 POINTS!! PLEASE HELP)))
WRITTEN RESPONSE

Describe 3 pieces of evidence that you could use to support the theory of evolution.

Answers

Answer:

Darwin used multiple lines of evidence to support his theory of evolution by natural selection -- fossil evidence, biogeographical evidence, and anatomical evidence.

Explanation:

A group of students used this diagram to classify three organisms into different kingdoms which table identifies the three kingdoms

Answers

Answer:

Answer is c. fungi, protista and plantea

In cats, the gene for Calico (multicolored) cats is an x-linked trait that is
CODOMINANT. Females that receive a "B" and an "R" gene have black and orange
splotches on white coats. Males can only be black or orange, but never calico.
A female calico's genotype is XBXR
Cross a female calico cat with a black male. (Complete a Punnett square)
What are the results of the cross?
25% Black and male, 0% Calico Male, 25% Calico female
50% Black and male, 50% Calico female.
50% Orange and male, 50% Female Black

Answers

Answer:

Considering the whole progeny (100%), there will be

25% Black male kittens, XBY0% Calico Male kittens25% Calico female kittens, XBXR

Explanation:

Available data:

The gene for Calico (multicolored) cats is an x-linked trait and codominantCalico Females receive a "B" and an "R" gene, and have black and orange splotches on white coats. Their genotype is XBXR.Males can only be black or orange, but never calico. Their genotype is XBY and XRY

Cross: a female calico cat with a black male

Parentals)   XBXR    x    XBY

Gametes)  XB  XR       XB   Y

Punnett square)    XB        XR

                   XB   XBXB   XBXR

                    Y      XBY      XRY  

F1) Among the whole progeny:

    2/4 = 50%  will be black (female XBXB and male XBY)     1/4  = 25% will be Calico (female XBXR)     1/4  = 25% will be Orange (male XRY)  

   Among females:

   1/2 = 50% of females will be black, XBXB    1/2 = 50% of females will be Calico, XBXR

   Among males:

   1/2 = 50% of males will be black, XBY    1/2 = 50% of males will be orange, XRY        

What are Purkinje fibers?
special valves that relay electrical impulses to
the ventricles, which cause contraction
special fibers that relay electrical impulses to
the atriums, which cause emptying
special valves that relay blood to the
ventricles, which cause contraction
special fibers that relay electrical impulses to
the ventricles, which cause contraction
DO NE

Answers

Answer: It's D aka Special fibers that relay electrical impulses to the ventricles, which cause contraction.

Explanation:

that you
Simplify the product of (3+ J7/3-17)
found in the previous step.
(3 + 7)(3-7)=

Answers

well if ur asking for (3+7)(3-7)
=(10)(-4)
=-40
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Check ALL that contributed to the chaos in the South following the Civil WarQuestion 4 options:no courts, postal service or law enforcementlost generation of white Southern men who had died or were severely injuredmillions of freed black Southernersdesire to forgive and forget those who had not supported slavery what shape is similar to the original shape 2. Which of the following BEST describes an organic compound?a compound containing carbon that is important to the survival of living systemsa compound often found inside cells that is destructive to living systemsa compound containing oxygen that is important to the growth of living systemsa compound that attaches to the outside of cells and destroys living systems '' The Confedrate forces win the battle bull run'' What did Mercy Otis Warren attack in her poems and plays?A: Cost of clothingB: Education for childrenC: Royal authorityD: Voting system ill mark brainlist plss help A falling ball looses its shape and bounces off the ground because it has...Immersive ReaderKinetic energyPotential energyElastic energyThermal energy Someone help and plz make sure its right Which of the following is not a principle of natural selection? What is the CENTRAL IDEA of the book Brave Girl?Watch/listen to the book Brave Girl being read in the video.Remember... a central idea sentence is ONE sentence that generally covers all the details that were mentioned.~only ONE sentence~include who, what, where, when, why, how~should NOT include the words "The central idea is..."You may have to rework the sentence a few times to make sure it flows. When going out the door, a large butterfly fluttered past me.What is the BEST way to rewrite this sentence?When I was going out the door, a large butterfly fluttered past me.Going out the door, a large butterfly fluttered past me.A large butterfly, going out the door, fluttered past me.A large butterfly fluttered past me when going out the door. 20 POINTS On the news yesterday, the weather forecasters rainfall prediction was 20% off. If 2.5 inches of rain actually fell today, what are the two rainfall predictions that could have been made during the weather forecast?Giving brainliest to the BEST EXPLAINED answer. All answers that are irrelevant to the question will be reported and removed.Middle School MathREPOST AS THE OTHER ONE GOT SNIPED What was the effect of Englands defeat of the Spanish armada?It established England as a world power.It increased Spains influence in European lands.It caused England to stop funding global expeditions.It forced Spain to refocus on dominating the Mediterranean. The two lines represent the distance traveled, over time, by two trains. Which train is traveling more quickly? The diameter D of a sphere is 18.6 cm. Calculate the sphere's surface area AUse the value 3.14 fors, and round your answer to the nearest tenth. Clean it up immediately To begin cleaning it up immediately Tell whether the equation has one, zero, or infinitely many solutions.6(x - 2) +6=6x - 6 a furnace is thermal energy A. True B. False What is the most accurate way to check your heart rate (bpm)? Help me? Using a 21 percent rate:Compute the deferred tax asset or deferred tax liability (if any) from a transaction resulting in a $31,000 temporary excess of book income over taxable income.Compute the deferred tax asset or deferred tax liability (if any) from a transaction resulting in an $18,400 permanent excess of book income over taxable income.Compute the deferred tax asset or deferred tax liability (if any) from a transaction resulting in a $55,000 temporary excess of taxable income over book income.