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Questions: figure 3 shows plant cells from either the stem or the leaf.

a. Describe what part of the plant is represented in figure 3.
b. What is structure A?
c. What process occurs in structure A?

Answer:

i cant see the attachment

Explanation:

Evolutionary change in one species lead to evolutionary change in another species that it is associated with by adaptive mechanisms.

Evolution is a process of gradual cumulative changes which occurs in organisms over a long period of time resulting in the formation of new species.

Evolution in one species results in evolution in a closely related species. For example, the evolution of resistance by trees to insect pests results in similar evolution in insect pest for development of mouth parts that enables them to feed on the plants.

Therefore, evolutionary change in one species lead to evolutionary change in another species that it is associated with.

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Answer:

Developing countries have a low life expectancy because things like water might be populated/scarce, the air may be polluted and immunisation might not be possible. But developed countries are more likely to have safe drinking water, and vaccines.

Answer:

Commensalism

Explanation:

Mutualism- both benefit

Parasitism- One benefits, the other is harmed

Competion- fite

Answer:

commensalism

Explanation:

just did the test

Answer:

Histrio?

Explanation:

Answer: Mitochondria evolved from endosymbiotic prokaryotes that were able to use oxygen to generate energy rich ATP. To prokaryotes then evolved into mitochondria that now power the cells of all multicellular organisms.

Explanation:

Answer:

According to this theory mitochondria evolved from bacteria and somehow became incorporated into the cytoplasm.

Explanation:

i don't know which theory ur talking about but this theory is the endosymbiotic theory

Answer:

The correct answer is - exocytosis.

Explanation:

All of the given options of the transport mechanism are the transport of the substances either into the cell or out of the cell or both. Active transport is the transport mechanism that involves the transports of substances from the lower concentration region to the higher concentration region and utilize energy.

Endocytosis and exocytosis are the forms of active transport, however, endocytosis involves taking material into the cell and exocytosis out of the cell. Exocytosis is the form of active transport as it requires energy to moving materials from within a cell to the exterior of the cell.

Answer:

yeast and some bacteria

Answer:

You have the right answer, its B.

Explanation:

Answer:

It should be 2- Bonds

Explanation:

Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules.

:)

answer : the last one is true, yeah !!

d :: the products of telophase 1 are two haploid daughter cells ..

Chromosomes finish migrating to opposing ends of the cell in telophase I. Cytokinesis then creates two daughter cells. Therefore,option (D) is correct.

The parent cell has two poles at Telophase I of the meiotic cycle, each with a full complement of haploid chromosomes (which still have their sister chromatids). Now, a cleavage furrow forms, separating the cytoplasm of the cell in two (a proccess ultimately called cytokinesis).

The homologous chromosomes divide into distinct nuclei during telophase I. The cell restores its nuclear membrane, deconstructs the microtubules and spindle fibers, and then initiates cytokinesis. After then, the cell enters a phase of rest known as interkinesis.

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Answer:

1. Malaria

2. Polio

3. rabies

Explanation:

Hope I've helped

The control of the mosquito population helps in managing the outbreaks of malaria. Infantile paralysis is another name for polio. Travelers to the Central and South America can get vaccinations for rabies. Thus, the correct options for 1, 2, and 3 are A, A, and B, respectively.

Malaria is a serious diseases which could be a fatal disease sometimes and it is caused by a parasite that commonly infects a certain type of mosquito species which feeds on the human blood. People who get the  malaria infection are typically very sick with high fevers, shaking chills, and flu-like illness and other symptoms.

Infantile paralysis is another name used for polio. Polio is a condition which is caused by a virus that mainly affects the neurons in the spinal cord or the brain stem. In its most severe form, polio infection can lead to a person being unable to move certain limbs or joints, also called paralysis.

Therefore, the correct options for 1, 2, and 3 are A, A, and B.

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Answer:

broo this arent even questions. just say yes

Explanation:

Answer:

Our immune system produces antibodies against that antigen of pathogen.

Explanation:

Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an  antigen has to be done from the childhood to prevent diseases.

Answer:

D

Explanation:

The green house gasses trap heat just like the windows of the green house.

Answer:

The lighter frogs will be eaten and will not be able to reproduce offspring with the light green trait. Darker green frogs will be able to reproduce more dark green frogs. Eventually most/all frogs will be a darker green because they carry a trait that improves chances of survival.

Answer:

What's your question?

Explanation:

Answer:

During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).

Answer:During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).

Explanation:i hope u have a wonderful night and stay safe

Answer:

Self-concept is the set of ideas that make up the image that each person has about himself, that is, it is the opinion that an individual forges about himself. That sentence carries a certain value judgment. Self-concept: set of elements that a person uses to describe himself. Self-motivation is giving the reasons, the drive, the enthusiasm and the interest that provoke a specific action or a certain behavior. Volunteer is the person who, by his own choice, dedicates part of a part of his time to solidary, altruistic action, without receiving remuneration in return. The stage that comes after childhood and that ranges from puberty to the full development of the body is known as adolescence. Self-image is the value we have in relation to ourselves.

Explanation:

Self-concept: set of elements that a person uses to describe himself. The ability to motivate yourself is what is known as self-motivation. This is an important skill, as it encourages people to continue progressing even in the face of setbacks, to seize opportunities and to show commitment to what they want to achieve. Volunteer is that person who joins an organization in a free way to help altruistically in various social activities. When we speak of self-image we refer to the image that our subconscious has of ourselves. Adolescence is understood as the period of human development after childhood and before adulthood, in which the biological, sexual, social and psychological changes necessary to form a socially mature individual and physically prepared for reproduction take place.