Answer:
Adaptation is spread through genes.
I would recommend the answer is B
Explanation:
apex
b. they control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food.
c. they improve the muscular strength of the organs involved in digestion.
The correct answer is B. They control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food.
Explanation:
In biology, sphincters are a type of muscle that can regulate the passage of substances. In the digestive system, sphincters can be found mainly in the upper and lower zone of the stomach, between the small and large intestine and at the anus. In all cases, the sphincters regulate the amount of digested food or other substances that pass through the organs and also prevents the substances that have already passed to a new organ or zone of the digestive system can go backward.
Due to this sphincters are essential for regulating the movement of food and other substances to be correctly digested and to pass through different organs. According to this, the key function of these muscles is "control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food".
Answer:
4.08 x 10^6
Explanation:
b. decreased eutrophication
c. increased air pollution
d. oil spills
Answer:
it is B
Explanation:
I just took the test in edge
B. releases negative ions that create an electrical gradient that all sperm swim toward.
C. releases chemotaxic signals to attract sperm to its location.
D. propels itself toward seminal fluid by calcium-dependent kinesis.
Answer:
C. releases chemotaxic signals to attract sperm to its location.
Explanation:
An oocyte is female gametocyte which is involved in the reproduction. It is produced in ovary during the female gametogenesis. After ovulation, during luteal phase, egg is available to be fertilized by the sperm.
Sperm are attracted toward the eggs by the process of chemotaxis which is by following the gradient of chemical secreted by egg.
Thus, the oocytes in the female body control not only type of sperm they want ot attract, but also time at which they attract them.
a. They can cross Yummious letus with a fungus to stimulate protein synthesis.
b. They can take mutant fungal DNA and insert it into Yummious letus
c. They can add DNA from Bigous moldkillae into the soil around Yummious letus.
d. They can insert the gene for the protein from plant species Bigous moldkillae into a chromosome in Yummious letus.
Answer:
The correct option is D) They can insert the gene for the protein from plant species Bigous moldkillae into a chromosome in Yummious letus.
Explanation:
Biotechnology can be described as the technology in which the genome of organisms are altered so that organisms with better qualities can be produced. In the scenario discussed in the question, techniques of biotechnology can be used to insert the fungus-killing gene of Bigous moldkillae into the genome of the Yunnious letus. In this way, the Yunnious letus species will become resistant to the fungal infections.