Why are plants unable to grow at the bottom of lakes?

The water is colder at the bottom.

Sunlight does not reach the bottom.

Groundwater feeds into the bottom.

Less fresh water is found at the bottom.

The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you expect to be the most likely consequence?

What is the content of the injected material (vaccine) ?

How can techniques of molecular biology be used to analyze dna for the presence of the fh mutation?

Rerouting a river would have no effect on which group?

In what way is the sun different from other stars? A. The sun is much closer to Earth than other stars are. B. The sun rotates on its axis, unlike other stars. C. The sun is a huge ball of gas, unlike other stars. D.

Where would be the best place to find an alpine glacier A) Antarctica B) Greenland C) the Himalayas D) the North Pole

The Sun is A. a very small star. B. a medium-sized star. C. the largest star in the universe. D. the same size as all the other stars.

6. The blood component that has the greatest affinity for oxygen is the a) Lymphocyte" (b) Leucocytes (c) Erythrocytes (d) Thrombocyte

According to the endosymbiosis theory scientist believe early eukaryotes form from prokaryotes why do scientist believe that prokaryotes existed earlier eukaryotes

Areas of land covered with water for at least part of the year are called