I would say the answer is transport work!
Substances can go through the cell membrane through active and passive transport! Active transport is powered by adenosine triphosphate, ATP!
Answer: the answer is <u><em>A</em></u>
- Explanation: Because bears know that every time they go for food near the picnic <u>they will find some</u> there
Answer: b
Explanation:
Dominant lethal alleles can be passed down if the individual can live to a reproductive age. The individual can then have children and can possibly pass down the lethal allele
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.
<em>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. </em>
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.