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lesantik [10]
3 years ago
5

Name and describe three groups of protozoans

Biology
1 answer:
monitta3 years ago
7 0

Answer:

(1) Amoeboid protozoans or sarcodines

They are unicellular, jelly-like protozoa found in fresh or sea water and in moist soil.

(2) Flagellated protozoans or zooflagellates

They are free living, non-photosynthetic flagellates without a cell wall.

(3) Ciliated protozoans or ciliates

They are aquatic individuals that form a large group of protozoa.

Explanation:

hope this helps :}

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Which body system includes vitamin D production and protection against pathogens and excess water loss?
Fantom [35]

Answer:

A. Integumentary system

Explanation:

The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.

The skin also helps in Vitamin D production through sunlight.

It also helps to prevent dehydration through regulation of water loss.

7 0
3 years ago
The less-movable end of a skeletal muscle is the
Sergio039 [100]

Answer: D). Proximal end

Explanation:

The less moveable end of the skeletal muscle is the medial or proximal end. It can be found near the point of attachement of the bones called as origin. It can be observed near the midline of the body.

5 0
3 years ago
which of the following statements about earthquake is false? A. Surface wave travel more slowly than either P- or S-waves. B. S-
Verdich [7]
A is the false statement
6 0
3 years ago
Which of these is a pure substance? a. diamond b. salt c. ocean water a only a, b, and c a and b b and c
Sloan [31]

The answer is a. and b.

Diamond is pure carbon(C). Salt is pure sodium chloride (NaCl). Ocean water can contain a number of different elements mostly Water (H2O) and sodium (Na)

6 0
3 years ago
Landforms formed by molten materials are ____ mountains.
Dennis_Churaev [7]
Volcanic mountains,
Let me know if i'm wrong.:)
8 0
3 years ago
Read 2 more answers
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