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expeople1 [14]
3 years ago
7

Draw structure of Gand? 3 marks​

Biology
1 answer:
neonofarm [45]3 years ago
5 0

Answer:

you draw

Explanation:

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Every mollusk has a head, body, and _____. jointed legs a muscular foot hinged shells an external shell
STatiana [176]

Answer:  [B]:   " a muscular foot ".

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     "Every mollusk has a head, body, and <u>  muscular foot  </u> . "

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Hope this helps!

Best wishes!

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4 0
3 years ago
2. You observe a cell under a microscope and notice a cell wall. You conclude that this cell could be
Lilit [14]

Answer:

a plant cell

Explanation:

plants are the only ones with cell walls

4 0
3 years ago
Read 2 more answers
What are the roles of producers consumers and decomposers in an ecosystem
mariarad [96]

Answer: The producers refers to green plants that carry out the process of photosynthesis in order to produce food for themselves and others. The principal function of producers is to manufacture food for themselves and all other living organisms.

The consumers refers to those living organisms that can not produce their own food and have to depend on the food produce by others. Consumers can be categorized into primary, secondary and tertiary consumers depending on where they are located on the trophic levels. They can also be classified as herbivores, carnivores and omnivores depending on the type of food they eat. The major function of consumers is transference of energy. Consumers transfer the energy they obtain from the food they eat to those animals that feed on them.

The decomposers are those micro organisms that are majorly found in soils.The principal function of decomposers is to break down dead organic matters so that they can be absorbed by the roots of plants. The broken down organic substances serve as nutrients, which the plants used to grow and develop.

These three types of organisms work together in the ecosystem to maintain the balance of the ecosystem.  

3 0
3 years ago
Which of the following statements about mercury is FALSE?
Brilliant_brown [7]

Answer:

Option (A).

Explanation:

The element mercury can persist in the environment and proves to be harmful for the living organism. The mercury persist in the lower organism and transfer to the higher organism by the process of biological magnification.

The compounds of methyl mercury are not harmful. The methyl mercury compound cannot cross the blood-brain barrier and does not affect the individual.

Thus, the correct answer is option (A).

5 0
3 years ago
Oxygen is transferred (passed) into the blood from the ________?
chubhunter [2.5K]

Answer:

the heart

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the heart pumps blood through the body

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