A bird population of 16,000 experienced 2,000 births and 500 deaths in a year. What was the bird population's growth rate for that year?

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Nerve cells are specialized to respond to stimulitrue or false?