The development of the horse in the fossil record shows​

The development of the horse in the fossil record shows The horse walked upright. The horse started out the size of a small dog and evolved to the larger modern horse. The modern horse evolved from mules. The modern horse was once related to bears.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.