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Radda [10]
3 years ago
13

Farmers try a new pesticide to prevent damage to their crops. They plant 3 fields. #1 has traditional pesticide. #2 has a new en

vironmentally-friendly pesticide. #3 is left untreated and will be used as a control group. If field #2 has pest damage similar to field #3, you might conclude that...
Biology
1 answer:
Dominik [7]3 years ago
5 0
...the new environmentally friendly pesticide doesn’t work and you’re better off using the #1 traditional pesticide.

hope it helps :)
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You would expect to find ____________ fibers in areas that undergo a lot of stretch and rebound.
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You would expect to find elastic fibers
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3 years ago
How can I remember this definition of law of segregation? (Like hints)
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Which is not evidence for the endosymbiotic origins of mitochondria and chloroplasts?
Zolol [24]

Mitochondria and chloroplast have similar DNA, which is not evidence for the endosymbiotic origins of mitochondria and chloroplasts.

According to the endosymbiotic theory, a chloroplast and a mitochondria were the independent prokaryotes. Both can be ingested by a large prokaryote and resist digestion. As a result, they continued as endosymbionts and eventually lost some of their autonomic properties. They divide by binary fission, have their own genetic material, possess 70s ribosomes, and Both include their own transcriptional and translational machinery.

Therefore, considering endosymbiotic origin theory, Both Mitochondria and chloroplast have similar DNA is not a piece of evidence.

Learn more about endosymbiotic origins theory here

brainly.com/question/771962

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6 0
1 year ago
A species of elm has winged-seeds. How would biologists explain how a species of elm with winged-seeds evolved from an ancestral
dimaraw [331]

Answer:

In an ancestral elm species, mutations gave rise to the phenotypic trait "winged-seeds". Subsequently, selection favored elm plants with winged-seeds that diverged over time to become a separate species

Explanation:

A mutation is a genetic change in the DNA sequence. In general, mutations have a negative impact on the fitness of the individual (i.e., mutations are generally deleterious) and therefore they disappear from the population. However, there are situations where mutations are beneficial and confer an adaptive advantage, thereby increasing their frequency in the population. In this case, mutations associated with the formation of winged-seeds conferred an adaptive advantage (i.e., higher seed dispersal capacity) to individuals who had this phenotypic trait, thereby these individuals had more chances to reproduce and pass their genes to the next generation. Eventually, Elm plants with winged-seeds accumulated sufficient genetic differences to prevent interbreeding, leading to the formation of a separate species.

4 0
2 years ago
What characteristic makes osmosis different from diffusion?
Tom [10]

A.Osmosis occurs through a semi permeable membrane. Diffusion occurs in permeable membrane.

5 0
3 years ago
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