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olga_2 [115]
4 years ago
9

Oxygen is moved around the body of an echinoderm in its

Biology
1 answer:
MAXImum [283]4 years ago
4 0

Answer:

Oxygen is moved around the body of an echinoderm in its C. water vascular system.

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What factor makes the Hawaiian Islands the perfect place for plant species to diversify?
forsale [732]

Answer:

Climate

Water Supply

Resources

Explanation:

Answer in my own words:

The weather offers a large amount of water and warm temperatures. This services have all the essential tools to sustain plant life or the plant health.

Key words:

1: Sustain

2: Essential

<em><u>Hope this helps.</u></em>

7 0
3 years ago
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A(n) _____ in a molecule influences the way that a molecule reacts.
vitfil [10]

The correct answer is option B, that is, functional group.  

A functional group refers to a part of a molecule, which is a classified/recognizable group of bound atoms. The functional group provides the molecule with its characteristics, in spite of what molecule comprises it, they are the centers of chemical reactivity. The functional groups in a molecule require to be determined when naming.  


3 0
3 years ago
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Which of the following is NOT considered a form of precipitation? *
Daniel [21]

Answer:

Lightning is not considered a form of precipitation but rather a discharge of electricity.

4 0
3 years ago
PLS HELP!!!!!! to answer these questions fill in the blank with the answer. A _________ is a single-celled biotic pathogen that
oksano4ka [1.4K]

Answer:

Bacteria

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Explanation:

A Bacteria is a single-celled biotic pathogen that is infectious. Bacteria are prokaryotes(single celled) and also form part of the disease causing organisms .

A Virus is an abiotic pathogen that is infectious.

A Parasite is a biotic pathogen that lives off its host. It sometimes uses structures such as hooks to obtain nutrient material from its host.

A Fungi is a biotic multi-celled pathogen that causes infections like ringworm.

8 0
3 years ago
What percentage of the earth is covered by water?
Strike441 [17]
75% i think. sdfghjkl;
3 0
3 years ago
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