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natulia [17]
3 years ago
6

EcoRI is a common _________________ used to cut DNA for cloning. A) DNA ligase B) DNA polymerase C) RNA polymerase D) restrictio

n enzyme
Biology
1 answer:
hichkok12 [17]3 years ago
6 0
The answer is D because <span>Restriction enzyme.</span><span> Restriction </span>enzymes<span> are used to cut </span>DNA<span> for later use in </span>biotechnology<span>.</span>
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Which of the following is not true concerning the flow of energy through an ecosystem?
ira [324]
<span>Most of the energy from photosynthesis flows out as heat is the statement not correct.</span>
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3 years ago
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The ultimate source of energy to support most life on Earth is _____. See Concept 10.1 (Page 189)
Afina-wow [57]
B) sunlight

Sunlight supports life by providing food and warmth which is needed for the population of practically anything on earth to survive
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3 years ago
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Which organism was used to re-evaluate its position in
marta [7]

Answer:

Fungi

Explanation:

Fungi is a eukaryotic organism that is re-evaluating its position in  the tree of life.

Fungi are closely related to the animal kingdom in comparison to the plant kingdom. Because of the presence of the chitin in their cell walls, fungi is different from plant, bacteria, and protists. But fungi have cell wall while animal cells do not contain cell wall, so not classified as animals.

So, fungi is re-evaluating its position in  the tree of life and in present there is a individual kingdom for fungi.

6 0
3 years ago
An urban planner wants to build some new homes in a woodland area but wants to do so in a manner that is the least disruptive to
Julli [10]

Answer:

Avoid fragmenting the forest by building the new homes together on one side of the forest

Explanation:

<em>Fragmentation of forest involves breaking of large continuous forests into smaller, ecologically less diverse units</em>. This often happen as a result of human factors such as road construction, agriculture, building construction, and so on.

Forest fragmentation has several effects including, reduction in forest's health, degradation of habitats loss of biodiversity, among others.

Hence, the best mode of action is for the urban planner to build the homes clustered together on one side of the forest to avoid fragmenting the forest.

4 0
3 years ago
He graph shows a trend in an ecosystem over time caused by increased pollution in the region. What can you conclude from the gra
fgiga [73]

Hi!


The correct option would be A. There's lower biodiversity among birds


Biodiversity refers to the variety of organisms (species) that inhabit a particular place, such as in our case different species of birds.

From the graph we can see that over time, the bird species are declining. From roughly 1700 bird species, the number has fallen to about 200 bird species by the middle of the fourth year.

Hence, we can deduce, and it would be accurate to say, that there is a relatively lower biodiversity amongst the birds with regard to that in the beginning.

Option B is incorrect because if the birds had a higher reproductive rate, they would be able to make up for the loss of bird species from the habitat. From the graph, we can assume that there's a moderately low reproductive rate among the birds.

Option C is incorrect because we do not know the affect of this pollution on the producers (photosynthesizing plant lifeforms). It may be possible that they might be declining, but we cannot conclude that solely from the graph.


Hope this helps!

8 0
3 years ago
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