While exploring a cave, a group of scientists encountered many abiotic and biotic factors. Which of the following factors is biotic?

F. Bacteria

G. Limestone

H. Minerals

J. Waterfall

Chargaff's analysis of the relative base composition of DNA was significant because he was able to show that A) the relative proportion of each of the four bases differs within individuals of a species.

List two magnetic materials

What are the disadvantages to natural change in a ecosystem?

Muscles account for what percentage of one's body weight?

If one stubs one's toe, the painful sensation is carried to the brain by neurons in the:Group of answer choice A. soccipital lobe. B. frontal lobe. C. central nervous system. D. peripheral nervous system.

You arrive at the scene of a call to find an elderly man complaining of chest pain. you introduce yourself and ask permission to examine him. he nods and extends his arm. which type of consent is this?

Which scientist came up with the theory of evolution

Water has a higher specific heat index than other common materials, so it takes a lot of energy to raise the temperature of water. How would this affect climate? A) Areas surrounded by water would have more snow.

Is pH=2 an acid, a base, or neutral

After one species disappears, the other species in the ecosystem