Answer:
1. C. Animals on land are very different from those in the sea
2. B. The shrimp could move to a new feeding ground
3. C. 300 feet
4. Unsure, but if I were to guess C. There is a similar environment
5. C. role in the food chain
Explanation:
Answer:
Natural selection
Explanation:
Sexual selection refers to the natural selection where the allele frequencies of a population are changed due to nonrandom mating between the individuals. Certain preferences for the mate by organisms result in sexual selection. It is mostly exhibited by females.
For example, peahen prefers the peacocks with elaborate tail features as their mate. The sexual selection also occurs when there is competition among the members of the same sex for a mate. This type of sexual selection is mostly exhibited by males and results in fighting and display.
Well all these signs indicate that the person is having a panic attack,which is an indicator of anxiety disorder
Answer:The testes contain germ cells that differentiate into mature spermatozoa, supporting cells called Sertoli cells, and testosterone-producing cells called Leydig (interstitial) cells.
Explanation:
Considering the multiple choice;
A. Require the correct external signal to replace
B. Start to develop new receptors in adaptation to their new environment.
C. Differentiate non-randomly only when specific hormones are present.
D. develop receptors in a random fashion.
Answer;
A. Require the correct external signal to replace
If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will
Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo.
Embryonic stem cells are pluripotent, meaning they are able to grow, into all derivatives of the three primary germ layers: ectoderm, endoderm and mesoderm.
