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lozanna [386]
3 years ago
9

Multiple questions about cells

Biology
1 answer:
rewona [7]3 years ago
8 0
Answer is a i think!!
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#1 About how much energy is transferred from a primary consumer to a secondary consumer?
mezya [45]
#1 c
#2 c
#3 a
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I hope im right!
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3 years ago
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Describe the ways that humans both positively and negatively affect the environment and biodiversity.
Alexxandr [17]

Answer:

<em>Human interaction within ecosystems can have both positive and negative impacts on the levels of biodiversity. The impact of an increase in the human population , including increased waste, deforestation , peat bog destruction and global warming has been to reduce biodiversity .</em>

<em>hope</em><em> </em><em>it helps u</em><em> </em>

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3 years ago
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Explain how bacteria are both helpful and harmful to our bodies.
vovangra [49]

Sample Response:

Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.

This is a sample response, so it's 100% correct. Peace!

6 0
3 years ago
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A cross of blue x blue (both heterozygous) would result in
umka21 [38]

75% Blue

25% Other

If both are Heterozygous, that would mean that they're both Bb.

That would mean that it'll be Bb, Bb.

       B      b

B║ BB ║ Bb ║

b║ Bb  ║ bb ║

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When did multicellular organisms appear
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When a single cell organism splits in too
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