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lapo4ka [179]
3 years ago
6

What is it called when a high percentage of the species on Earth dies off

Biology
1 answer:
blondinia [14]3 years ago
7 0
Extinction or population loss
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please somebody help me with science Gel Electrophoresis what are the answer chioces for 1 through ten please whoever report is
AleksAgata [21]

1. A

2. C

3. D

4.B

5. A,B, and maybe C.

6. B

7. D

8. A and B

9. A,

6 0
3 years ago
Why do scientist prefer to use food webs over food chains
Troyanec [42]
Food Webs <span>show how plants and animals are connected in many ways to help them all survive. </span>Food Chains just<span> follow just one path of energy as animals find food.
So the answer is: Scientists prefer the usage of food webs over food chains due to the fact that food webs are more elaborate and more detailed than the food chain.</span>
6 0
3 years ago
How does the cold spring graph differ from the normal weather graph?
MariettaO [177]
The Normal Graph has higher increments of increasing and decreasing; the Cold Spring howeverhas increases and decreases at small amounts, but an overall increase.
6 0
3 years ago
Which two Kingdoms are nearly the same, except for where they can survive?
natita [175]

Explanation:

C. Eubacteria and Archaebacteria

4 0
3 years ago
Heterozygotes at the sickle-cell locus produce both normal and abnormal (sickle-cell) hemoglobin (see Concept 11.4). When hemogl
Stels [109]

Answer:

In an individual's molecular and cellular level, the heterozygote alleles are preferred over the homozygote alleles. In humans, the heterozygote alleles are found at a locus of beta polypeptide subunit of hemoglobin, while on the other hand, the homozygous alleles found at a similar locus are prone to sickle cell disease.  

The individuals carrying homozygous alleles exhibit sickle-shaped RBCs and they also possess low oxygen-carrying capacity, which ultimately results in brain, kidney, or heart failure. However, in the case of heterozygous alleles, the configurations of RBCs are of two kinds, that is, normal shaped and sickle-shaped. Thus, there are not enough sickle-shaped cells to result in the condition.  

The heterozygote alleles are resistant to malaria, thus, in tropical areas, where malaria is a prime issue the heterozygote alleles are preferred over the homozygote dominant alleles as they are vulnerable to the infection and over the homozygote recessive alleles who has sickle cell disease.  

6 0
3 years ago
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