In pea plants P represents purple flowers while p represent white, and T represents tall plants while t represents short. Biologist cross two pea plants, each of the genotype PpTt. We would expect what phenotypic ratio from this dihybrid cross?

What fossil evidence was most useful in arranging the continents?

You and a child arr on a skates and you give each other a push if the mass of the child is half your mass who has the greater acceleration

Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose?

Which of the following is an advantage of an in vitro experiment? A. Some enzymes behave unnaturally in a test tube. B. Variables and environmental conditions are controlled. C. Confusion is caused by the presence of many substances D.

Many bacteria that live in the soil break down dead organisms so that minerals such as nitrogen and carbon can be recycled back into the environment. Given this description, into which of the following categories should the bacteria be classified? A.

If two organisms are in the same class, what can you predict about their relationship

Histologists studies groups of cells that work together to form a particular function. Histologists must focus their attention on the ___ level of organization. A) cellularB) tissueC) chemicalD) organE) physiological

An example of mitosis at work is aleaf turning A. yellow. B. growing C. taking in carbon dioxide D. hosting a caterpillar.

Organizational members tend to experience metamorphosis before they experience the encounter stage of assimilation. Group of answer choices True False

Complete the food chain from the smallest to the biggest (algea) (big fish) (smallbird) (fish)