The scientific name for a polar bear is Ursus maritimus. The scientific name for an American black bear is Ursus
americanus. Which of the following statements is true?

1Polar bears are part of the
maritimus genus.

2Black bears are part of the Ursus species.

3Polar bears and black bears are part of the same family.

4Polar bears and black bears are variations of the same species.

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.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

What processes would you expect to be key in the production of yogurt ?