Answer:
darwinism
Explanation:
also known as survival of the fittest
he studied birds and how they had adapted to their climates and surroundings.
Answer:
A. Cells, tissues, organs, organ systems, organisms
Answer:
Standing wave
Explanation:
Standing waves are waves which crest amplitude does not change, so it appears the form is not changing.
Answer:
Stomata - specialized cells that contract and expand to open or close pores for gas exchange. Stomata can adjust to temperature, staying closed when temperatures are hot and dry to prevent gas and water loss.
Explanation:
Stomata (singular stoma) are pores found in the epidermis of plant leaves. Stomata open and close in response to the change in structure of two guard cells either side of the pore opening. When the guard cells are turgid, the stomata open, when they are flaccid, they are closed.
This functions to permit gas exchange while preventing the loss of water, especially during hot, dry weather. The stomata can only open when the guard cells are turgid, pulling the stomata apart.
If i am not mistaken. Your answer should be 1