Which choice below best describes the factors that can affect an ecosystem’s stability?

question 2 options:

biotic and abiotic factors.

predator and prey relationships.

organic and inorganic materials.

autotrophic and heterotrophic organisms.

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The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

Nucleic acid certain protein cell membranes certain carbohydrates

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle