A series of choices between two characteristics that is used to identify organisms is called a

A. characteristic chart.

B. characteristic key.

C. dichotomous chart.

D. dichotomous key.

How are fats different in composition from carbohydrates?

Differences between archaea and bacteria

If cell X enters meiosis, and nondisjunction of one chromosome occurs in one of its daughter cells during meiosis II, what will be the result at the completion of meiosis? a.

How does oxygen move from the respiratory system to the circulatory system? O A. By moving across a synapse O B. By pumping through the heart O C. By circulating in an artery D. By diffusion across a capillary wall

Why might Turkey rank lower in the HDI indicator even though it has a high GDP?

One reason common names are not useful to biologists is that they ... A. are in Latin. B. can apply to more than one animal. C. are too long. D. require the use of a dichotomous key. what is the answer nd why?

A species of butterfly has alleles for wing color that are either blue or orange. When a blue butterfly and an orange butterfly mate, their offspring have wings that are both blue and orange. Explain the process through which wing color is expressed.

Low blood levels of oxygen can bring on? A. Sneezez B. Hiccups C. Coughs D. Sighs

How do human activities increase the occurrence of species extinction?

Describe Coriolis effect and explain why it affects ocean currents.