Why was DDT was harmful to prey of birds.

What is the primary reason we sweat? a. to maintain blood volume b. to excrete waste products c. to regulate body temperature d. to maintain sodium balance?

Most frogs are found in or near ponds or lakes. The body of water represents the frog's A) community B) ecosystem C) habitat D) population

Genes do not exert the only influence on personality. therefore,:

As described in lecture, cells form actin filaments in particular regions of the cell in part because they nucleate filament formation at particular times and places within cells and in part because they inhibit the formation of filaments that are

Two puppies are born in the same litter. One has blue eyes and the other has brown eyes. Develop a hypothesis as to why the puppies have different eye color. Justify your hypothesis in two or more complete sentences

If mitosis occurs in a cell but cell division does not occur·, what is the result.

Process least associated with producing genetic abnormalities

How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater? with more contractions with fewer contractions the contractions would suddenly cease with the same frequency of contractions

Which property of a star is closely related to its temperature? brightness color composition size

Difference between natural selection and evolution