A friend is studying population genetics of the T locus in beetles in Africa. He says that over 30 years the frequency of the T allele has declined from 0.7 to 0.2. He is convinced that directional selection favors the t allele because tt animals burrow better. Why would you ask about population sizes before you accepted his explanation

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

Explain the process that creates the heat of the sun?

How dose plate tectonics effect climate