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LenaWriter [7]
3 years ago
5

HELP I NEED HELP

Biology
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

There is ONE broken tree, there are 15 trees, and there is ONE house standing.

Explanation:

A quantitative observation is using your senses to observe. these three are the answers because you can use your senses to observe it, but you can’t really with the other three.

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Many evolutionary psychologists imagine the environment of evolutionary adaptedness (eea) for human beings to be
valentina_108 [34]
Contemporary foraging societies,  maybe? 

hopefully this helped..!
7 0
3 years ago
What is cell? How does it work
shtirl [24]

Answer: Cells are the basic building blocks of all living things. Cells form structures to create tissue that makes up our bodies, plants, and animals.

hope you find this helpful :D

6 0
4 years ago
In Drosophila, a very prolific phenotypically normal female was crossed to a phenotypically normal male. All of the female offsp
erastova [34]

Answer:

22 mu

Explanation:

Since maximum number of flies are observed with +pb and s++ phenotype, they are the parental combinations.

Minimum number of flies are observed with +p+ and s+b phenotype hence they are the result of double crossover.

Gene order would be +bp and s++ since it is the only case which would lead to production of above mentioned double crossover. Hence gene b is in the middle of genes s and p.

Single cross over between genes s and b will give progeny +++ and sbp.

Map distance between s and b loci = recombination frequency =

(number of recombinants/ total progeny)*100

= [(single cross over between s and b + double crossover)/total progeny]*100

= [(102+106+7+5/1000]*100

=(220/1000)*100

=0.22*100

=22 mu

3 0
4 years ago
Heart rate is increased in response to sympathetic stimulation. <br> a. True <br> b. False
Dahasolnce [82]
I'm pretty sure its A- true.

Hope this helped. Have a good day! :D
4 0
3 years ago
Serological testing is based on the fact that: Select one:
mihalych1998 [28]

Answer:

B. Antibodies react specifically with an antigen.

Explanation:

Serological tests are blood tests that look for antibodies in your blood. They can involve a number of laboratory techniques. Flucculation tests are based on the precipitation that takes place when antibody and specially prepared antigens are mixed together

7 0
3 years ago
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