What describes the long history of earth

Jane and Jill wondered if the water plants required was related to the temperature of the air around the plants. The girls planted three pots of grass seed. Once the seeds germinated, they placed one pot in the sun, outdoors.

True or False - Protein can act as a energy source

Explain the difference between using dna profiles to determine paternity and to match a tissue sample with a suspect

In which direction is the Pacific Plate moving in relation to the North American Plate?

Which of the following best describes an ecosystem? A) all of the non-living factors that characterize in a given area B) all of the different species living in a given area c) all of the members of a single species living in a given area d) all of

The air that we breath is made mostly of which gaseous molecule?

Carbohydrates, DNA and lipids can be found in living things as long as Molecular Chains. Which of the following statements best describes how DNA differs from lipids and carbohydrates. A:Only DNA contains nucleotides.

Stem cells are cells that stay the same and never differentiate into different types of cells. A. True B. False

How does photosynthesis affect the flow of energy in the biosphere?. A. Photosynthesis is the base of energy flow, because it converts energy from the sun into fuel for plants and animals ... B.

Which of the following would NOT be considered a vestigial structure? a. fingernails b. wisdom teeth c. your appendix d. Your tail bone