Which is an indicator of poor air quality?

1 salt

2 bacteria

3 fertilizer

4 smog

What could happen if one of the farmers used too much fertilizer on their crops? A. The fertilizer could run off into the river, causing an overgrowth of algae, which decreases the amount of oxygen available for other organisms in the water B.

Which of the following is evidence of the endosymbiotic theory? a. Eukaryotic cells have DNA b. All the organelles in a cell have their own DNA c. The mitochondria and chloroplast have their own DNA d. Mitochondria is only inherited from the mother

In what ways does the study of human population differ from the study of wildlife ecology

A biological community is made up of all the

PPI is sometimes called:

In humans, the ability to produce the pigment melanin is dominant over the lack of that ability, a condition known as albinism.

A researcher has sequenced a gene that has two alleles. she has a mixture of both alleles and clones them into e. coli using plasmids. she is interested in one particular allele that is correlated with a disease.

List 3 roles of DNA in relation to genetic information:

Select all the offspring phenotypes that could be produced from a BbEE x bbee cross (shown above). black fur, red eyes black fur, black eyes white fur, black eyes white fur, red eyes

A cell is placed into a hypertonic solution. How does the concentration of water differ in the solution and the cell cytoplasm?