Select all that apply. chromosomes a. are rod shaped structures that contain dna b. are located in the nucleus c. occur in numbers that are the same for all members of a certain species d. occur in numbers that e. are the same for all organisms are organized into karyotypes for scientists to analyze

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

One of the purposes of transcription is to produce a sequence of bases that