What is the importance of the carbon and nitrogen cycles to ecosystems?

1.) What percentage of the children will be expected to have dimples if one parent is homozygous for dimples (DD) and the other is heterozygous (Dd) ? 2.) Explain your answer to #1 ...

For your organ system, describe how the system works at the organ level. (digestive system) : D

Why is dialysis tubing often used to represent cell membranes? A. Because it creates proteins B. Because it can be filled with various solutions C. Because it allows some materials through and prevents others D.

What id the group thaf makes their own food called and what are the organsims n this group called?

Explain three ways in which water is important to organisms

In eukaryotic cells, where is DNA located? A. Cellular DNA is spread evenly throughout the cell. B. The majority of cellular DNA is located in the nucleus, with some DNA located in the mitochondria. C. All cellular DNA is located in the nucleus. D.

Where organism in the food web below below is likely to store the least energy?

Which organiam would aurvive an acidic environment best

What is the answer : The cells plasma membrane most resembles which system of the human body? A. Circulatory B. Digestive C. Musculoskeletal and D. Integumentary

In a species of birds, blue feathers (B) are incompletely dominant to the gene for white feathers (b). Individuals that are heterozygous (Bb) have blue-tipped feathers. A bird with blue-tipped feathers is crossed with a white bird.