If an egg cell contains 4 chromosomes, how many chromosomes would a sperm cell of the same species contain?
a. 4, b.8, c.16

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Need will mark ! which features are created by groundwater erosion and deposition? check all that apply. a. stalagmitesb. sinkholesc. rillsd. stalactites e. gullies f. rivers

What best describes the structure of the declaration of independence?