Answer:agrarian society- dependent on agriculture
Modern society-dependent on manufacturing sector for income
Hunter-gather society-dependent on wild plants and animals for their sustenance
Explanation:
Explanation:
<u>the Paleozoic Era </u>
The Precambrian era describes a period of time that pre-dates Cambrian. This time typically references the entire period of the history of earth before the formation of rocks containing identifiable fossils occurred. It covers the majority of Earth’s history and is divided into the Hadean, Archean and the Proterozoic era.
Just before the Cambrian eruption, in the Paleozoic Era the environment was oxygenated, culminating in an explosion of new life in the Proteozoic Eon (2500-541 million years ago) in the form of primitive blue-green algae named cyanobacteria and oxygen based species. Multicellular species followed later, along with structure at higher levels, and complex life. Oxygen levels grew gradually over this period of time, from low levels.
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Answer: The correct answer is- all the sugar maple trees that are present in a state park.
Population can be described as a group of individuals belonging to a particular species, which inhabit a particular area.
In this question, last option that is all the sugar maple trees that are present in a state park correspond to a particular population.
Other options have organisms occupying different areas across the world.
Answer:
C.hollow inside
Explanation:
Water dispersed seeds are hollow. The air cavity inside is large to counteract the seed weight and keep floating as long as it isn't pierced.
Answer:
<em>The correct option is B) Mutations that arise in one group are not passed to the other group through reproduction.</em>
Explanation:
There will be higher genetic variability in a larger population as compared to a smaller population. In a smaller population, the alleles or gene flow will be lesser as compared to the larger population.
When a population is split, conditions like genetic drift become slower. Mutations which arise in one group will be limited to that smaller group only as they cannot mate with the other population. In a larger population, mutations pass on rapidly and there are more chances of genetic drift to occur.
