Which of the following best demonstrates Darwins pattern of biological diversity where species vary_globally.? Both Emperor penguins and Rockhopper penguins live in Antartica.
Ostrich live in Africa, emu live in Australia.
Both cheetahs hunt gazelle, and lions hunt zebra in Africa.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

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.

Witch type of microscope is used to view very small cell components like proteins and dna?