In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of the allele a is 0.3. what is the percentage of the population that is homozygous for this allele?

How are organisms grouped in an ecosystem? a. by their movement b. by how they get their energy c. by how they migrate d. by how they produce

Through which process is energy transferred to a molecule that the cell can use as fuel for its various activities?

How can a scientific hypothesis be used to answer a specific question about an observed phenomenon? A. A hypothesis can suggest an explanation for an observed phenomenon that can later be tested through experimentation. B.

2. This is a form of ground water pollution where heavier chemicals fall back to the ground and coat the trees and leaves of plants. -Acid rain -Deposition -Global warming -Greenhouse effect

In multicellular organisms, Life begins as a single cell until occurs, causing growth

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False

What is thethe protein-assembly factories of the cell, are present in prokaryotic cells, animal cells, and plant cells.

Cells harvest the energy in organic compounds to make ATP through a process called

In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific community? Select all that apply. (a) - Genes are made of DNA. (b) - Chromosomes are made up of protein and nucleic acid.

Read the following statements that describe how information flows in the nervous system. What is the correct order in which they occur? 1) Response is carried to glands or muscles. 2) Information is gathered.