An assemblage of local plants, animals, and insects covering a large area such as a tropical rainforest or a grassland is called a

There is a ___% chance with each pregnancy that a child born to two parents with sickle trait will have sickle cell disease.

If the force of ventricular contraction increases, what will happen to the end-systolic volume?

Some scientists believe that sickle-cell anemia is a beneficial mutation because it: increases life expectancy provides immunity to diseases increases resistance to malaria adds new information to DNA

Which of the following materials could have been found in the giant cloud that form the solar system? A hydrogen and helium B hydrogen and oxygen C carbon dioxide and oxygen or D liquid and solid water

Which rocks cool the slowest. granite pumice gabbro basalt scoria obsidian diorite rhyolite

Why do plants need to be specialized to survive in arid climates?

Two parents are heterozygous for a recessive disease, what are the chances that the child is also a heterozygous?

Why do you think older people among the elderly are the most likely to be abused

What is the structural difference between plant and animal cells which makes them differ in cytokinesis? Plant cells have a cleavage furrow and animal cells do not.

The living part of the cell found both inside and outside of the nucleus is called protoplasm. This material is composed of proteins, carbohydrates, electrolytes, water, and what other substance?