Copying information in DNA is efficient because although the information must be copied individually, every single DNA strand still carries the necessary information that can be used in order to copy over during the replication phase.

8 0

2 years ago

Frank counts 56 maple trees living on a 20-acre tract of land, and the data allows him to calculate the

castortr0y [4]

Answer:

Population density. Population distribution.

Explanation:

8 0

2 years ago

In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur shown i

Semenov [28]

The question is incomplete. The complete question is as following:

In humans, the pelvis and the femur, or thighbone, are involved in walking. In whales, the pelvis and femur shown in this figure represent...

Answer:

vestigial structures

Explanation:

A "vestigial structure" or "vestigial organ" are defined as the organs that no longer have any function in the organisms' body but had an important role in past.

Pelvis and femur are thigh bones in humans which helps them in walking but in whale's pelvis and femur are considered as vestigial structures. 

The pelvis and femur in whales, are the inherited structure from ancestors and shows evidence for evolution on the basis of natural selection.

Hence, the correct answer is vestigial structures.

3 0

2 years ago