What term includes all the biotic and abiotic elements in an area?
ecosystem
population
biome
organ

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

All ova contain sex chromosomes corresponding to: x y xx xy