A population of 7,000 fish experience 1,000 deaths in a year. What is the population death rate for that year

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

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.

When water freezes, it . contracts expands