Why must organisms compete for resources?

A climax community always what?

following clear-cutting of a broadleaf forest several hundred years ago, the land was colonized by herbaceous species that were replaced largely over time by shrubs, then by forest trees.

You apply 100.0 n of force to a machine. The machine applies 20.0 n of force to the load. What is the mechanical advantage of the machine? a) 200.0 b) 80.0 c) 5.00 d) 0.200

Umbilical cord blood is a rich source of stem cells. Which possible advance in biology would most likely be a result of performing research with an individual's banked cord blood?

Which would be the order of the bases on the opposite strand of dna

How does nutrient losses compare between the natural and clear-cut watersheds

Specific brain differences implicated in schizophrenia often include a change in size of the

Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. True / False.

How do dominant and recessive traits impact genotype and phenotype?

The fat in adipose cells is broken into fatty acids. Which pathway is involved in this process?