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Nostrana [21]
3 years ago
9

How does natural selection lead to the evolution of a species?

Biology
2 answers:
serious [3.7K]3 years ago
7 0

Answer:

One of these is natural selection, which is a process that increases the frequency of advantageous gene variants, called alleles, in a population. Natural selection can result in organisms that are more likely to survive and reproduce and may eventually lead to speciation.

Explanation:

Gennadij [26K]3 years ago
4 0
When a species evolves, it can get more repellent and tougher to what kills them off. For exp, if a animal can’t survive due to a carried disease, it will eventually evolve to be stronger against it.
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Insects often act as pollinators for plants. In turn, plants provide these insects with food. What kind of a relationship exists
sesenic [268]
A very strong relationship. I'll take the easiest example :the bees. They are so important for our planet. Without them, we and all living creatures on earth would be on track to dispariton. Let me explain why. At first, the bees need the nectar from flowers to make honey ( source of food ). As they pollen from flower to flower, they transport pollen on their tiny little legs and in this way, they help the plants to reproduce themselves. If, for some reason, there will be no more bees. Plants and flowers will not thrive, plants will be eaten without having contribued to the productivity of the species and they will go out. No plants, no more veggies or fruits for herbivorous and humans, no more herbivorous no more food for carnivorous, etc. Also, without plants, there will be less oxygen on our planet. Slowly the fauna and flora will die on earth and then it will be our turn. That is why relationships with plants and insects are so important. Plants produce oxygen for all of us and they are a natural and healthy source of food and insects help plants to survive and thus save the species.
3 0
3 years ago
All the following statements about destruction of cyclins are true EXCEPT: ubiquitin targets Cdks. destruction is carried out by
ZanzabumX [31]

Answer:

ubiquitin targets CDKs

Explanation:

Cyclins are named such because they undergo a constant cycle of synthesis and degradation during cell division. When cyclins are synthesized, they act as an activating protein and bind to Cdks forming a cyclin-Cdk complex. This complex then acts as a signal to the cell to pass to the next cell cycle phase.

Cyclins drive the events of the cell cycle by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks). A lone Cdk is inactive, but the binding of a cyclin activates it, making it a functional enzyme and allowing it to modify target proteins.

6 0
3 years ago
Read 2 more answers
Evesa
Artist 52 [7]

Answer:

Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.

Explanation:

8 0
3 years ago
Glycolysis is a part of cellular respiration that takes place in the absence of oxygen.
Marta_Voda [28]

Answer:

Explanation:

Glycolysis is an anaerobic process - it does not need oxygen to proceed. ... They follow glycolysis with the Krebs cycle and electron transport to make more ATP than by glycolysis alone. Cellular respiration that proceeds in the presence of oxygen is called aerobic respiration.

5 0
3 years ago
How to you define heat and temperature​
nadya68 [22]

Answer:

Heat is how hot an object is.

Temperature is how hot or cold and object is.

3 0
3 years ago
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