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ki77a [65]
3 years ago
15

Plz answer again will give brainlest you just gotta tell me how to do it

Biology
2 answers:
Mice21 [21]3 years ago
8 0
Global warming causes increase level CO2
Nimfa-mama [501]3 years ago
5 0
Since it’s negative you automatically know the last two are out.

the first two choices are correct. The last two are talking about how it helps plants which is not a negative effect. The first two are talking about how it limits plants.

Final answer is the first two choices :)
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timama [110]

Answer:

Answer 1= Leafs

Answer 2= Multicellular

#1- The leafs on a plant take in co2 and relese oxygen

#2 Multicellular means that there Multiple cells

Please mark me brainliest if it helps!

8 0
3 years ago
Identify three types of natural selection for a polygenic trait.
kaheart [24]

Answer:

A polygenic trait can be described as a physical trait which is influenced by more than one gene.

The three types of selection for a polygenic trait are:

1) Directional Selection: In a directional selection, one of the phenotype is favored in an ecosystem. As a result of this favoring, the allelic frequency changes and shifts in favor of this particular trait.

2) Stabilizing selection: It is a type of natural selection in which the intermediate trait is favored. The population carries a middle trait in abundance.

3) Disruptive Selection: Disruptive trait is a type of natural selection in which the traits on the extreme sides are favored. The intermediate traits are less favored.

7 0
3 years ago
Which of the following is true regarding lipids? *<br> 1 point
zhannawk [14.2K]

Answer:

there are no answers, you can put them in the comments

Explanation:

3 0
3 years ago
Please help ASAP for 10pts
masya89 [10]
1. Natural selection is the best of the organisms to live past hardships and survive, leaving the weakest to die. Survival of the fittest.

2. Adaptation is an organism changing to better themselves in a certain environment.

3. These moths were adapted to blend into their surroundings, so as to not be seen by predators.

4. Because of the pollution from the city, the tree’s bark turned from a lighter shade brown to a darker shade brown.

5. A majority of the moths were a lighter gray. With the changing color bark they were seen more by predators.

6. Adaption caused the first darker moths to appear because they learned they needed to blend into the new tree bark color.

7. The change from light to dark gray was very needed for moths. It explains natural selection for those moths who did not adapt to different color gray. Adapting the new tree bark color helped moths been less seen by predators therefor keeping their species more alive.
7 0
3 years ago
When do your lungs work the hardest
Alisiya [41]
When exercising is when the lungs work the hardest because you're using a lot of muscles and are running around and are using force in your body so the lung works really hard to make sure the body gets enough air while working out.
5 0
3 years ago
Read 2 more answers
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