Explain how available, affordable energy is important to a countries standard of living.

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm