Answer:
C. The clocks use mutations that are difficult to identify and track.
Explanation:
Answer:
Population density just represents the average number of individuals per unit of area or volume. Often, individuals in a population are not spread out evenly. ... Population distribution describes how the individuals are distributed, or spread throughout their habitat.
Answer:
Water is not required for the fertilization.
Explanation:
The plants can reproduce by the means of asexual reproduction and sexual reproduction. The pollen grains and egg cell fertilize with each other in the sexual reproduction.
The seedless vascular plants and non vascular plants required the means of dispersal for their fertilization. Their egg cell fuses with the pollen grains that are dispersed by animals or wind. Water is not required for the fertilization of the vascular plants.
Answer: A group that closet matches characteristics
Explanation:
A representative sample is a group that closely matches the characteristics of its population as a whole. In other words, the sample is a fairly accurate reflection of the population from which the sample is drawn.
