Organisms at the bottom of the pyramid produce enough usable chemical energy to support the entire ecosystem through____. A). predation Reactivate B). photosynthesis C). cell respiration D). anaerobic respiration

Answers

Answer 1

Answer:

The right answer is B). photosynthesis.

Photosynthesis is a biosynthesis of transforming light energy into organic compounds. Light, in the form of photons, is captured by a colored pigment associated with a mineral or organic electron donor, and allows the use of mineral material for the synthesis (manufacture) of organic compounds: it is the photophosphorylation phase photosynthesis. Cytochromes play a role of electron carrier.

Answer 2

Answer: The correct answer is letter B. They use photosynthesis to produce chemical energy to support the entire ecosystem. Hope this answer helps. Good luck!

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which of the following mutations would be most likely to improve the chances that an organism would survive and reproduce? F. a stronger scent that makes an animal easier to find G.a weaker scent that makes a flower less attractive to bees H.weaker eyesight that makes an animal less likely to find prey I.stronger leg muscles that allow an animal to jump away from danger

Answers

I. stronger leg muscles that allow an animal to jump away from danger.

All the others dont benefit the organism in one way or another.

Which of the following is a mode of reproduction that is incapable of producing clones? A). budding in hydra B). fragmentation in algae C). runners in strawberry plants D). cross-pollination in corn plants

Answers

I think the correct answer from the choices listed above is option D. Cross-pollination in corn plants is the mode of reproduction that is incapable of producing clones. With this reproduction, the result varies widely and the resulting plant is not the same variety of the parent plant.

Help me name the parts of the diagram pls

Answers

Top left animals cell

A person who has a weakened immune system may not be able to fight against infection because

Answers

A person with an immune system which is weakened may not be able to fight against infection reason being that the white blood cells which makes up the immune system, fighting off infection and protecting the body against disease which cause organisms are weak.

For a person to be able to fight disease the immune system should be highly complex. For health maintenance thee should be balanced and strong immune system.

Impaired immune response can pose to a serious bad health.

To avoid the influence of immune someone should avoid emotional stress, environmental and chemical exposure and physical stressors for example lack of enough sleep.

Answer:

His immune system cannot fight against invading pathogens.

Explanation:

Weaken immune system represents a state of immunodeficiency, in which immune system of an individual fails to fight properly with infections and cancer.

This is due to inability of body to make functional immune cells, such as neutrophils, T cells, B cells, and macrophages or decreased production of these cells and other components of immune system that provide protection against invading pathogens.

A mutationA
is a person or an animal randomly selected from the population.

B
is a random change in a cell's DNA.

C
always occurs when the male's sperm joins the female's egg.

D
is produced by mating two different species.

Answers

Answer:

I'm pretty sure it's D. bc a mutation is something that's created from mixing two different species

Answer:

B (is a random change in a cell's DNA)

I just had this question

Explanation:

An organism that regulates its temperature internally. An organism that uses external sources of heat to regulate its temperature.
An organism whose internal temperature may vary considerably.
An organism that maintains a constant internal temperature.
A. endotherm
B. homeotherm
C. ectotherm
D. poikilotherm

Answers

Answer:

An organism that regulates it's temperature internally is the Ectotherm

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