Which of the following observations is true concerning the effect of body mass on demographics?
a. the higher the body mass, the higher the population density
b. the lower the body mass, the higher the population density
c. the higher the body mass, the higher the population size
d. the lower the body mass, the higher the population size

D

Explanation: If the body mass is low that means there will be higher the population size. It's the law of nature the species which have lower body mass are more in number and vice-versa. So the answer is the Delta option.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set