Question

Algae are autotrophs because they
a)carry out anaerobic respiration
b)can manufacture their own food
c)feed on dead organisms
d)feed on other living organisms.​

Answer 1

Answer:

Algae, along with plants and some bacteria and fungi, are autotrophs. Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis.

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correct option is:..B

Answer 2

Correct option is B because they contain chlorophyll a and can manufacture their own food