The crocodile species is believed to have been around for how long? 2 million years or 200 million years?

The__ bacteria is composed solely of the kingdom bacteria which is former kingdom monera.

What are the major organs of the urinary system?

2. A mouse has the alleles aa and is albino. Identify the genotype and phenotype of the mouse.

What is ph, and why is it carefully controlled in living organisms?

Which is a reflex response?

look at the ocean system below plankton, shrimp, salmon, human what will most likely happen if the plankton population decrease in this ocean systems? A. it will be more difficult for salmon to find food. B more shrimp will move into the area C.

Gloria wanted to find out if the color of food would affect whether kindergarten children would select it for lunch. She put food coloring into 5 identical bowls of mashed potatoes. The colors were plain, red, green, yellow, and blue.

Why was Copernicus's heliocentric model not believed until Galileo and Kepler provided more evidence?

Neurotransmitters (like acetylcholine) are required to conduct nerve impulses because the neurons do not physically touch each other or the cells on which they are acting.

The population size of a predator species is directly controlled by _.