Which organism first appeared during the Cenozoic era? A. cyanobacteria B. trilobite C. wolf D. dinosaur

is it b or a or d? i know its not wolf

What are the characteristics of an ice fish

A hybrid allotetraploid species (2n1 + 2n2 = 60) was backcrossed to one of the suspected parents (2n1 = 30).

The nurse has completed medication education for the anxious patient who is receiving buspirone (BuSpar). The nurse determines that the patient needs additional instruction when the patient makes which statement?

7. In a classification system, kingdoms contain: (a) the greatest variety of organisms (b) all organisms exactly the same (c) almost identical organisms (d) the fewest types of organisms.

What is the fate of amino acids released after protein digestion or turnover.

What are the two ultimate sources of energy for all the living things on Earth?

A plant cannot conduct light reactions if its cells do not contain?

An atom has a proton mass of 35, a neutron mass of 35, and an electron mass of 3. What is the estimated mass of the atom? A. 35 B. 70 C. 38 D. 73

Why are a variety of instruments needed to measure change in the climate system?

Give three examples of stimuli that your sensory receptors are responding