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nlexa [21]
3 years ago
6

What are the agnathans? what are some examples

Biology
2 answers:
-Dominant- [34]3 years ago
7 0
Jawless fish. Heterostraci,Pteraspidomorphi,<span>Haikouichthys</span>

Otrada [13]3 years ago
7 0
An agnathan is a type of fish that dose not have have jaw. An example of an agnathan include but are not limited to the Heterostraci and the Pteraspidomorphi.
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Which of the following is not a type of adaptation?
enyata [817]

Answer: The correct answer for the first question is- B) Mechanical.

Adaptation can be described as a process of change in an organism over time that facilitates its survival in the changing environmental conditions. It results due to mutation or genetic change in the individual that gives a benefit to the organism. It exhibits change in structure ( like succulent plants in desert), function, or behavior.

Mechanical is not a type of adaptation as it deals with movement of objects.

The correct answer for second question is- C) Variations.

Variation among organisms in a population results from change in the genetic material or their genetic sequences. Change at the genetic level is thus reflected in the phenotypes ( like different color of feathers in birds).

Thus, difference is in the feather color reflects variations.


5 0
3 years ago
All of the following are true of all parasites except
Ede4ka [16]

Answer:

A.

Explanation:

A parasite does not feed it's host; in fact, it takes food energy/ food from it's host.

8 0
3 years ago
Balance the following ecosystem.<br> 100 50 10<br> bushes zebras lions
AVprozaik [17]

Answer:

Im pretty sure the correct answer would be the way it is listed.

100 Bushes, 50 Zebras, and 10 Lions.

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Only 10 lions because they are at the top of the food chain, and 100 bushes because they are at the bottom.  

I hope this helps :)

4 0
3 years ago
What is a string of monosaccharides called?
Sever21 [200]
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