Answer:
d. blood moves from the heart into arteries and into smaller vessels and then back into larger vessels as it makes its way back to the heart.
Explanation:
A closed circulatory system is a system in which blood is separated from the interstitial fluid as it circulates in the blood vessels. In a closed circulatory system blood circulates in one direction that is from the heart and then then returns to the heart again after circulating around one of two routes of circulation. A closed circulatory system can be observed in vertebrates, annelids, mollusks.
Oviparous animals develop inside the egg while inside the mother's body.
Answer:
Legumes, with the proper soil bacteria, convert nitrogen gas from the air to a plant available form. Therefore, they do not need nitrogen fertilization, and can even add nitrogen to the soil. "Much of the nitrogen benefit of legumes comes from the plant residue - shoots and roots
Explanation:
Analyze sample data. Test statistic. When the null hypothesis involves a mean or proportion, use either of the following equations to compute the test statistic. ...P-value. The P-value is the probability of observing a sample statistic as extreme as the test statistic, assuming the null hypotheis is true.
Answer:
A geologist is someone who is involved in the study of the outer layer of the earth's crust. A paleontologist, on the other hand, looks at fossil remains on many types of organisms on the earth's surface. Paleontology is the study of primitive life, including plant and animal organisms, fungi, bacteria, etc
