2. Match the following:
Column A
ovule
pollen grain
zygote
tuber root
tuber stem
maple seed
endospermic seed
non-endospermic seed
Column B
fertilized ovum
sweet potato
female gamete
potato
forms male gamete
реа
dispersed by air
maize seed

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

In which situations is the principle of cross-cutting relationship useful in determining relative age?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food