Which of the following descriptions about the cell membrane is correct? a.) proteins molecules group together in one area b.) cholesterol molecules stick out of the membrane as signals c.) the tails of the phosophipids are attracted to water d.) proteins embedded in the membrane molecules to cross

When organisms convert from of energy, what usually results

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?