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Afina-wow [57]
2 years ago
15

Define the following terms. Give an example of an organism that is described by each term. a. benthic b. pelagic c. sessile d. m

obile e. evisceration f. chitin
Biology
1 answer:
taurus [48]2 years ago
6 0

Answer:

(A) Benthic- Benthic refers to the lowest or the bottom zone of the water body such as seas, and oceans. The organisms existing under such extreme pressure conditions are commonly known as benthic organisms. For example, corals and bivalves.

(B) Pelagic- Pelagic refers to the upper top portion of a water body, covering the open sea areas. The organisms existing in this region include dolphins and sharks.

(C) Sessile- Sessile refers to the property where an organism is stationary and cannot move freely from one place to another. These are known as sessile organisms such as coral polyps, Mussels.

(B) Mobile- refers to the property by which an organism can move freely in any direction it wants. For example, fishes, dolphins.

(E) Evisceration- It is a specific type of property where organisms can eject their internal organs in order to protect themselves from predators. for example, Sea cucumbers.

(F) Chitin- Chitin is a hard shell that is present in various organisms, forming its exoskeleton, for defense purposes. For example, arthropods.

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Two features that Eukaryotic cells have and prokaryotic cells lack:

1) Nucleus

2) Nuclear bound organelles like chloroplasts, Mitochondria, Golgi appratus etc

Hope this helps!
7 0
3 years ago
1 mole of sulfur (s) is equal to home many atoms?
jekas [21]

Answer:

2

Explanation:

5 0
2 years ago
Dr. stevens is examining the dna sequences of a group of mice. he notices that in one of the mice, one nucleotide pair is substi
serious [3.7K]

Out of the following given choices;

<span>A.      </span>The mouse has a completely different DNA sequence than the other mice.

<span>B.      </span> The substituted nucleotide has the same directions as the original nucleotide.

<span>C.      </span>Substitutions in the nucleotides of a mouse's DNA never affect their phenotypes.

<span>D.      </span>DNA sequences don't determine the color of a mouse's fur.

The answer is B. Most probably, the nucleotide substitution did not translate to a change in the amino acid sequence in the translated protein. As you may be aware, most amino acids are coded by more than one codon. For example, Leucine is coded for by CTT, CTC, CTA, CTG, TTA, TTG. Therefore, a substitution, that causes a change to either one of the sequences will not change the amino acid.






7 0
3 years ago
Mitochondria and chloroplasts have a number of features in common. Which of the following is NOT one of them? (A: Both are surro
likoan [24]

The best answer is C.

Chloroplasts are not found in all eukaryotic cells but only in plant cells. Animal cells are eukaryotic in nature but animals do not have chloroplasts in their cells because they do not engage in photosynthesis.

Photosynthesis is the process by which plants make their own food. Chloroplasts  contain chlorophyll which is essential in t trapping sunlight from which supplies the energy for photosynthesis. 

Animals do not make their own food like plants but eat ready made food so their cells  lack mechanisms for food manufacture.

6 0
3 years ago
What is a benefit of food packaging technology such as milk cartons?
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Milk packaging is designed to be attractive to the customer, give information, ease transport and to protect the product to maximize shelf life.  Tetrapak cartons protect the product from light, air and microorganisms.

3 0
3 years ago
Read 2 more answers
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