Answer:
Many small organisms can be preserved within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt. Studying fossil pollen and other fossils helps scientists to learn more about climate change.
Explanation:
The statistical study of populations and how they change over time is called demography. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume.
Answer:
The two factors that decrease the size of a population are mortality, which is the number of individual deaths in a population over a period of time, and emigration, which is the migration of an individual from a place. and then also birth rate
Explanation:
They also reproduce asexually through budding, bulb formation, and other types<span> of vegetative reproduction. Even though ... Approximately 1,700 species of </span>plants live<span> on the Arctic tundra, including flowering </span>plants<span>, dwarf shrubs, herbs, grasses, mosses, and lichens. ... Its </span>name<span> comes from its resemblance of tiny antlers.</span>
