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Oksana_A [137]
2 years ago
13

Which wavelengths of light drive the highest rates of photosynthesis? Select the two best answers.

Biology
1 answer:
Lilit [14]2 years ago
8 0

Answer:

  • 400-450 nm
  • 550-700 nm

Explanation:

Chlorophyll pigments (mainly chlorophyll a and b) absorb the red and blue spectrum of visible light in the electromagnetic spectrum for photosynthesis. This is why leaves appear green (and occasionally orange) because this visible light portion is not absorbed. The blue light absorbed by leaves ranges between 400 – 450 nm while the red light ranges between 500 nm and 700 nm.

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A cousin who has been traveling overseas sneaks a plant through customs (who help along with the USDA, help to prevent invasive
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Answer and Explanation:

Invasive species are not native to an ecosystem/environment to which they've been introduced, which can cause disastrous disruptions to various food chains/webs and other native species' populations.

In this case, your cousin is bringing in a plant from overseas, so it clearly will be an invasive plant. You can tell them the following:

- this plant may take over the feeding source of native plants, causing those populations to decrease drastically or possibly even be wiped out

- secondary consumers that had once relied on those native plants for food energy will now have limited resources, competition will increase, and these consumers may begin to die off

- tertiary consumers that consumed these secondary consumers will begin to die off, as well

- this chain reaction will ripple through the entire food chain and food web, and totally disrupt the existing ecosystem

Thus, your cousin shouldn't plant this organism in their backyard and should instead destroy it.

6 0
3 years ago
Is asexual reproduction used by all organisms, including humans?
IRISSAK [1]
No. Humans cannot asexually reproduce. Bacteria and some small organisms can asexually reproduce but humans can't. If we want more humans, we have to create them through sexual reproduction.
7 0
3 years ago
Which best describes the storage of the genetic code?
Musya8 [376]

Answer:D

Explanation:

Because The genetic code by which DNA stores the genetic information. The functional segments of DNA which code for the transfer of genetic information are called genes

5 0
3 years ago
Read 2 more answers
How was osmosis used to stop Clark’s seizures?
lord [1]

Answer:

after Clark was treated with a hypertonic solution? increased Na concentration in matrix of brain caused water from blood to move in to the brain which increased the matrix pressure. Pressure caused the neuron firing rate to increase which increased the likelihood of seizures.

Explanation:

hope this helps   :)

6 0
2 years ago
Imagine that you are a scientist hard at work in a cancer research lab. You and many of your colleagues are hoping to discover n
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Answer:

The answers are a) Cancer cells treated with the chemical have a lower survival rate than cells that are not treated and d) This chemical will be useful for treating all types of cancer.

Explanation:

Since the research finds that cancer cells have a lower survival rate when exposed to a particular species of fungus. In addition to this new chemical compound could be implemented as a cancer drug.

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