Match the type of tropism with its effect on plants.

Mutation is an alteration in the sequence of DNA of an organisms. Bacteria undergoes mutation when it is under stress. It gives rise to DNA variants that makes the possibility of its survival and reproduction. Mutation can weaken the bacteria. This mutation in bacteria can happen before it undergoes division. It is a permanent modification in the DNA's sequence of nitrogenous bases. It can be a result of an error in the replication of DNA or by certain mutagens.

We have the following information about the patients:

A) Healthy 40-year-old man

B) 18-year-old girl with chronic lung infections

C) History of anemia

And for each tube, we have the values for hemoglobin and leucocytes.

Hemoglobin is found in the red blood cells and helps carry oxygen, so a person with anemia would have low levels of hemoglobin.

In this case, tube 3 has the lowest levels of hemoglobin, out of range for both males and females, so we can say it belongs to patient C.

This leaves us with tubes 1 and 2.

If we see the levels of hemoglobin, tube 1 has lower levels of hemoglobin than tube 2, which suggests that tube 1 belongs to a female and tube 2 to a male.

But we also have to take into account the leucocyte, which would be elevated in the case of an infection. If you look at this, tube 1 has elevated leucocytes.

Combined, this information tells us that tube 1 belongs to patient B and tube 2 belongs to patient A.

Answer: Hypothalamus

Explanation:

Humans are responsible for other species' extinction because over the years we have overhunted them, such as was the case of the Tanzania tiger (Thylacinus cynocephalus), and destroyed species' habitats. We have caused climate change and air and water pollution, such as happened with the industrial revolution and still with many of our today's industrial practices.

So the correct answer is the first one: A. I, III, IV, V, or destruction of habitats, pollution, overhunting, and climate change.

Okay, we can see that parents in the image have a 4 puppies' offspring, all of them with spotted fur (SS or Ss). So the genotypes of each parent must be ss for the white-furred parent and SS for the spotted furred parent.

Stony coral polyps can create massive reef structures because polyps secrete skeletons of calcium carbonate (CaCO3).

Most stony corals have very small polyps, averaging 1 to 3 millimeters in diameter, when they grow large they forms colonies that can grow and weigh upto tons.

Coral polyps feed on microscopic algae called zooplankton. All the polyp then secretes an exoskeleton made out of limestone (CaCo3). These exoskeletons join together to form a coral colony which forms a coral reef. with due course of time, as the calcium carbonate builds up and corals reproduce, the size of a coral reef grows.

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In many cases, organisms' traits help to establish ancestry relationships and allow to elucidate evolutive history, now in cladograms when organisms share ancestry it implies that that group of species share a specific set of traits. In other words those organisms that belong to the same branch will share a set of traits.

The cell membrane is a lipid bilayer with a hydrophilic exterior and a hydrophobic interior is a fluid membrane that allows the movement of different molecules, along the membrane but also through it.

Some molecules that can pass through the membrane are small hydrophobic molecules, such as small non-polar molecules (A); in contrast, ions and polar molecules can't cross the membrane.

1. The DNA in saliva comes from the cells that are shed from the inner linings of the mouth and the white blood cells.

Solution:

People that born with hemophilia lack or have a low amount of a clotting factor.

Coagulation factors are proteins necessary for normal blood clotting.

Coagulation factors are found in blood plasma. These factors act with Thrombocytes to clot blood.

However, hemophilia is not a decrease in Thrombocytes but a decrease in coagulation factors due to genetic causes.

Diagnosis includes screening tests and clotting factor analysis. Screening tests are blood tests that show whether the blood is clotting properly. Clotting factor tests can reveal a deficiency of clotting factors in the blood plasma and determine the level of severity of hemophilia.

As the coagulation factors are in Blood plasma, we can conclude that the correct answer is:

BLOOD PLASMA

Biodiversity is important for ecosystem health because it is a essential for the support all life on the planet, being the wide range of living organisms necessary for provide a functioning environment, since all the organisms and resources are important for life, like oxygen, water, food, and so on. Without plant diversity there is less oxygen, as well less organisms in the overall food chain and so on, because of that the ecologists consider it a important factor for ecosystem health.

BIOLOGY > HUMAN BIOLOGY > DIGESTIVE SYSTEM

EXPLANATION:

In the mouth, physical digestion of the food happens by chewing of the food. In the stomach, the food is broken down by chemical digestion into smaller particles that can be easily absorbed by the body. It will pass through the small intestine first where the microvilli and villi are. Then, most of the undigested and unabsorbed food particles are passed through the large intestine. It will be getting secreted out of the body after.

ANSWER: D. Duodenum is the first section of the small intestine right after the pyloric sphincter.

The characters that are not commonly used whendetermining the phylogeny among species are the biochemical characteristics.

The correct answer is option B.

Red blood cells or erythrocytes are charged with hemoglobin hence the red color, this molecule is in charge of transporting oxygen and carbon dioxide in and out of cells, so taking this into consideration we can say that the correct answer is the last option.

We have to find those codons which don't codes for the same amino acid, so we can do the following:

• Scientific name and identification: ,Lycosa erythrognatha,.

This spider is distributed in Brazil, Argentina, Uruguay, and Paraguay.

It can be active during the day or night and is often found in cities, especially in gardens.

The spider is at the 3rd trophic level and is a secondary consumer (the spider feeds on beetles, butterflies, and flies and does not use its web to capture, but uses it to trap its prey).

The wolf spider can be present in much of South America and so it can be found in Biomes such as Temperate Forest and Tropical Forest.

The descriptions of somatic mutations are: exists in all cells of the body, skin cancer caused by UV exposure, not passed on to offspring.

The descriptions of inherited mutations are: transferred via egg and sperm cells, found only in a specific cell type.

Somatic mutations are the changes in the DNA that occur in all the cells apart from the germ cells. The change can be due to influence of environmental factors or due to exposure to some chemicals. The examples of somatic mutations are skin cancer, lung cancer, etc.

Inherited mutations are the change in the DNA of germ cells that are further passed on to the offspring. The examples are: cystic fibrosis, hemophilia, sickle cell disease, etc.

The question is incomplete, the complete question is:

Sort the descriptions or examples into inherited or somatic mutations.

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A barnacle is a marine crustacean that attachets itself to a surface and stays in the same place its whole life. They feed on plankton by sweeping the water with their fan-like feet.

In this case, the barnacle attaches itself to the whales, by doing so, these organisms do not harm the whale, but are provided of a surface where they can filter food and live without being harmed themselves.

In this relationship, one organism, the barnacle, benefits, while the other organism, the whale, remains unaffected. This type of relationship is called "commensalism"

The correct answer is C.

Answer:

If it rains, the rock will be wet. But it is still classified as the same type of rock.

Explanation:

I really hope this helps!

Meiosis is a process where a single cell divides twice to produce other new cells containing half of the original amount of genetic information (haploid daughter cells). They are know as our sex cells (eggs and sperm), and for all the organisms who have sexual reproduction. The meiosis can be divided into nine stages, these stages are:

Meiosis I

- Interphase

- Prophase I

- Metaphase I

- Anaphase I

- Telophase I and cytokinesis

Meiosis II

- Prophase II

- Metaphase II

- Anaphase II

- Telophase II and cytokinesis

The meiosis is also divided in two parts. The first part (meiosis I) is when one cell divides into two, and the second (meiosis II) these daughter cells are diveded into four granddaughter cells.

Mutation can cause beneficial, harmful, or neutral effects. It is a beneficial effect when it causes genetic variation. It results to a new version of proteins making the organisms be able to adapt to its environment. It is a harmful effect when it causes genetic disorder. Mutations can also hinder in the ability to survive. It affects the fitness of the organism to survive and its capacity to adapt to future environmental changes.

Answer - B. creates genetic variation

The cell membrane is formed by a lipid bilayer of phospholipid.

Phospholipids are amphipathic, which means one region is hydrophobic and the other one is hydrophobic. Given this property, the phospholipids arrange themselves with the hydrophilic "heads" on the outside and the hydrophobic "tail" to the interior of the membrane, forming the bilayer and mantaining iitsshape.

Answer: D

Explanation:  They Provide energy, electrons, and hydrogen to the Calvin cycle. Hope this helps!

Building of new housing, cities, or factories is not a cause of habitat loss.

What is habitat loss?

Destruction of habitat is the process by which a natural habitat becomes unsuitable for its native species. Former inhabitants of the site have been displaced or eliminated, resulting in a decrease in biodiversity and species abundance. Destruction of habitats is the major cause of biodiversity loss.

Six Principal Causes of Habitat Degradation:

Hence, the building of new housing, cities, or factories (option A) is correct.

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Natural causes of desforestation (natural and cyclical events):

- Fires (because of climate or heat waves);

- Floods (because of climate changes and storms);

- Hurricanes (because of natural events).

Human related causes of desforestation (human activity):

- Activities as agricutural expansion;

- Oil extraction;

- Infrastructure development;

- Mining;

- Construction;

- Cattle breeding.

The type of inheritance it exhibits is codominance because both of its parents' phenotypic characteristics are expressed in the offspring simultaneously.

The functions of the circulatory system are:

1. Delivery of oxygen to all cells of the body

2. Generating new red blood cells

3. Delivery of nutrients to all cells of the body

Excretion of urine from the body- Urinary system

Removal of waste from the blood- Excretory system

Answer:

She developed an attachment relationship between the child and his/her mother figure.

Explanation:

A. They do not have chlorophyll, they are not plants and they cannot carry out photosynthesis. They obtain their food and energy from the decomposition of organic matter.

B. Sexual and asexual reproduction.