Answer:A
Explanation:
i think it’s a bc blue whales and penguins and herring eats krill so the arrows for them would point to krill and well algae can’t eat u so
Answer:
Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance survival of the next lower trophic level.
Explanation:
their u go
Answer:
Euglena is a protist and it moves with the aid of structures called flagella
Explanation:
Flagella are known as locomotive cells which propels from the body parts of organisms . They are made of protein structures and formed in a helical manner.
They are whip like structures and usually helps in the movement of the protists through liquid surfaces through the whip like movement of the flagella.
Because since their ancestors came before them then they inherit certain beneficial traits that help them survive. Those traits are in the DNA and the animals are evolving to be more fit for the environment that they are in. (hope this helps)