Which of these physical structures in animals is similar to this structure in plants? a black arrow pointing to the long, narrow structure tube that connects to the flower of the plant

Exoskeleton
Feathers
Scales
Fur

answer; convade;

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;

the correct answers are;

a. the rock was made from more than one type of material.

e. layers of hot liquids in the rock cooled and solidified at different temperatures.

these are the two options that are related to the statement given above.