AP BIOLOGY

Detailed explanation-1: -Consumers, on the other hand, cannot synthesize their own food and hence, rely on other organisms to obtain their energy source. Consumers feed on other organisms to obtain energy. In this question, a fruit fly is classified as a CONSUMER because it cannot synthesize its own food.

Detailed explanation-2: -When a meal causes blood glucose to rise, insulin levels increase and glucagon levels decrease to accommodate the change, but both hormones are still present. This creates a dynamic equilibrium in which glucose is both retained and released, allowing a stable amount to be in circulation.

Detailed explanation-3: -Genes are made from DNA and serve as a functional units of heredity. Thus, one gene can code for your eye color, while another codes for your hair texture etc. Therefore, choice 4 is the correct choice: genes are made of DNA and code for proteins.

Detailed explanation-4: -Green plants are an example of autotrophic nutrition as they prepare their food in the presence of sunlight. The process by which green plants produce their food in the presence of sunlight and chlorophyll is known as photosynthesis.

Detailed explanation-5: -’12 The most likely result of completely removing carbon dioxide from the environment of a plant is that sugar production will continue at the Same rate inerease and oxygen procuction will also in-crease inerease and oxygen production will stay the SaC decrease and eventually stop’