A. The study of animal behavior
Biological Control is the answer Definition: Is the use of natural enemies-predators, parasites, pathogens, and competitors— to control pests and their damage
The best fossil evidence to suggest that Neanderthals could produce a language like that of modern humans comes from the “hyoid bone” collected at Kebara Cave in Israel. Because of the descended larynx, it may be indicated that Neanderthals are capable of human-like speech.
Answer:
<h2>Primary spermatocytes and primary oocytes contain the diploid number of chromosomes.</h2>
Explanation:
Primary spermatocytes is derived from immature germ cells called spermatogonia by the process, mitosis.
While primary oocytes is derived from immature germ cells called oogonia by mitosis.
In both cases, they contain a diploid number of chromosomes(2N) since they have not yet matured into secondary sex cell. They are called as primary spermatocytes and primary oocytes respectively and they are with the diploid number of chromosome.
Answer:
The correct answer is - the presence of pores.
Explanation:
The name Porifera is a term that means pore bearer as these individuals are one cell thick with many tiny pores present on their body and some big openings as well. These small pores are one of the characteristic features of these organisms. It distinguished the Porifera phylum from the Cnidaria phylum. There are many other microscopic and behavioral features present to classify them but in the lab presence of pores is important.
