Another name for unicellular organisms that dominated earth up to the precambrian time is
a. cyanobacteria.
b. stromatolites.
c. eukaryotes.
d. prokaryotes.

Did you know that a blue wales tongue weighs more than an elephant?

Which enzymes break down carbohydrates?

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth