Answer:
Centrioles is only found in animal cells
Answer: A. cooled and hardened lava from volcanoes
C. sediments deposited by rivers and ocean currents
An accretion is a process in which new materials are added to a tectonic plate or landmass. This process causes the enlargement of the landmass. The materials being added includes sediments, lava from volcanic eruptions and other materials from other sources.
The process of accretion can enlarge the size of a continent along its edge. The new land comes from the cooled and hardened lava from volcanoes and other reason is sediments deposited by rivers and ocean currents.
Answer:
The correct answer is - Gradualism.
Explanation:
Gradualism is the theory that new species evolved from existing species through progressive, frequently subtle changes as opposed to through unexpected, significant changes. The little changes are accepted to bring about distinguishable changes over long periods of time.
Gradualism is a model that explains the process of evolution that alludes to the minuscule varieties in a life form or in the society that occur after some time to improve a fit for creatures and people in their condition. These varieties permit them to endure and flourish, bringing about the moderate and predictable procedure of progress in the entire populace.
Thus, the correct answer is - Gradualism.
