7. The number of chromosomes

1 is specific for each type of organism

2 is the same for every species of organism

3 decreases from one generation to the next

4 increases from one generation to the next

21. What enables a gene to code for different versions of a trait in different organisms? A. differences in the sequence of alleles on a chromosome B. differences in the sequence of genes on a chromosome C.

How do animal cells plant cells freshwater protists and bacteria deal with osmosis?

8. The amount of a crop that a farmer can harvest per acre is referred to as crop yield. Farmers have been able to increase their crop yield by adopting the use of genetically modified (GM) crops. What's the general trend shown in the graph? A.

Describe an early monotreme mammal.

What colors are the organelles in a animal cell.?

Beekeepers and scientists are puzzled and troubled by a decline in bee populations around the world. what would you predict as a likely consequence of the widespread lack of bees?

What kind of energy does matter have when it is in motion?

Zoe forgets to wash her hands before handling some samples in Petri dishes, and as a result, some of the samples become contaminated. What is a likely source of error in this experiment

In your body, different types of cells use different genes. True or false?

What happens to the egg follicle in the ovary as fsh rises