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ladessa [460]
3 years ago
14

Please help me this is grade 7 work btw​

Biology
1 answer:
Luden [163]3 years ago
8 0
Don’t fall for the links love!
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Species that require pristine conditions for survival and reproduction are useful as a(n)
hodyreva [135]

Answer:

The correct answer is - warning system.

Explanation:

Warning systems are a type of system that could be technical or biological in nature that can help in assessing or inform about the possible danger or change in a particular setting such as ecosystem, weather, water quality, and many others. It helps in avoiding such threats before occurring or become serious threats.

Certain biological species that live or require a particular set of conditions for their survival and reproduction can act as a biological warning system for water pollution, air pollution.

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3 years ago
The three smaller components that make up atoms are -
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Answer:

its b

Explanation:

but I have to make the explanation 20 words so imma write random things down here jdjdnkoskdndhjejsjsoosjssnjdjdjdjso

8 0
3 years ago
Which best describes meiosis?
Mariulka [41]

The right answer is It produces male and female sex cells.

Meiosis is the process of double cell division allowing the formation of gametes, or sexual cells in eukaryotic organisms. It differs from mitosis, somatic cell division, which takes place only in a time. From a diploid mother cell, we obtain four haploid daughter cells with different genetic material.

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3 years ago
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What part of the population is catholic
EleoNora [17]
16 percent of the world's population and 50 percent of the Christians population.
7 0
3 years ago
What has a biconcave shape to increase its surface area​
jeka94

Explanation:

The human erythrocyte adopts a distinctive biconcave disc form in vivo. ... It has been suggested that this shape maximises the surface area to volume ratio and thus expedites diffusion.

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