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larisa86 [58]
4 years ago
13

Among coelomates, which of these develops by spiral cleavage and the mouth forms before the anus

Biology
1 answer:
nekit [7.7K]4 years ago
8 0

Answer:

Protosomes

Explanation:

Protosome is a multicellular organism whose mouth grows before the anus from a primary embryonic opening which includesphyla mollusk, arthropod or annelid. Protosomes are developed by  spiral cleavage during embryo development.

Protosome animals have bilateral symmetry and three germ layers. Some of the examples of protostomes are snails and slugs (mollusk), earthworms (annelids), and spiders, lobsters, barnacles (arthropods).

Hence, the correct answer is Protosomes .

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Twin studies document similarities and differences between twins. When two _____ twins raised under very ______ circumstances di
Aneli [31]

Answer:

Twin studies document similarities and differences between twins. When two IDENTICAL twins raised under very DIFFERENT circumstances display similar personality traits, that suggests a strong GENETIC influence on personality. Critics of twin studies suggest that some documented similarities between twins are based on the fact that the twins are still the same age and may have some SIMILARITIES because of it.

Explanation:

It is not fully proved the genetic influence on the personality, and it is not the only factor wich modify the conduct.

It is stated that the personality is the result of a combination of different stimulus as genetic, socio-economic environment, parental education, upbringing rules, etc. Even the personal health can modify the personality.

3 0
3 years ago
Bahia grass pastures in Florida are damaged by mole cricket infestations. Certain nematodes carry a bacterium which kills the mo
eduard

I would say

a. biological pest control

biological pest control is when  other plants or animals are used to control pests. There are no chemicals used only the natural roles of the environment.

Hope this helped!

4 0
4 years ago
Read 2 more answers
Which of the following is an example of human capital?
chubhunter [2.5K]

The investment in education and training for people.

6 0
4 years ago
Which answer helps to explain why all living cells need ph buffers?
defon

Answer;

Amino acid side chains have many carboxyl and amino groups.

Explanation;

-A buffer solution is a solution that resists changes in pH when small quantities of an acid or an alkali are added to it. It is a chemical substance that helps maintain a relatively constant pH in a solution, even in the face of addition of acids or bases.

-Buffering is important in living systems as a means of maintaining a fairly constant internal environment, also known as homeostasis.Small molecules such as bicarbonate and phosphate provide buffering capacity as do other substances, such as hemoglobin and other proteins.

- Protein buffer systems depend upon proteins, as opposed to nonprotein molecules, to act as buffers and consume small amounts of acid or base. Since amino acids have the capability of reacting with both acid and base, they naturally act as buffers.

4 0
4 years ago
Which domain(s) include(s) only prokaryotes?
RSB [31]
Domain Archaea

Like bacteria,Organisms in domain Archaea are prokaryotic and unicellular. Superficially, they look a lot like bacteria, and many biologists confused them as bacteria until a few decades ago.
7 0
3 years ago
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