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andriy [413]
4 years ago
12

Jack observes the development of frog eggs. during his observations, he noticed that within a few hours fertilization tge single

celled zygote went through a series of cell divisions. which of these is the best interpretation
Biology
2 answers:
Leto [7]4 years ago
7 0
I think it is cleavage
Alex777 [14]4 years ago
4 0

Answer:

The zygote is undergoing cleavage.

Explanation:

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What is another natural process that could contribute to the evolution of a species genomes?
Alja [10]
Biological fitness, or Darwinian fitness, is an
organism's ability to survive to reproductive age and produce offspring.
The more offspring an organism produces, the greater its biological fitness

dr naJiiB ibraHim
4 0
2 years ago
Read 2 more answers
Human blood groups are governed by three alleles, IA, IB, and i. IA and IB are codominant and i is recessive to both. A man who
nevsk [136]

Answer:

E

Explanation:

Where IA is the allele for A, IB for B and i for O,

Assuming that the genotype of the man is IB i and that of the female is IA i,

IA i × IB i,

IA IB- blood type AB

IA i- blood type A

IB i- blood type B

ii- blood type O

3 0
3 years ago
A group of scientists have been studying a population of sea stars over 100 years. In year 1900 a scientist measured the arm len
Salsk061 [2.6K]

Answer:

Size range(cm)    Year 1900     Year 1950     Year 2000

    51 - 60                    1                    0                     0

    61 - 70                    1                     1                     0

    71 - 80                   2                    2                     2

    81 - 90                   2                    5                     7

    91 - 100                  2                   3                     2                

   101 - 110                  3                    0                    0

Explanation:

Your data table is actually color-coded, so all you needed to do was count. Looking at your frequency table, you can see that a color corresponds to certain colors.

For example 51 - 60c, corresponds to the light green. Looking at the data table, you see 1 light green block in the column of 1900. As it happens, it also is the only measurement that falls within the range 51 - 60 so you have 1 sea star. In the Year 1950, there is none, and you won't find one in Year 2000, so both frequency count is 0.

6 0
3 years ago
You are dissecting a kidney in class and, after cutting a sagittal section through the kidney, decide to remove some of the ligh
Mila [183]

Answer:

The renal pelvis and the calyces.

Explanation:

Kidney plays an important role in the excretion of the organisms. The kidney consists of millions of neurons that acts as the filtration unit and consists of coiled networks.

The renal pelvis is funnel like in shape that helps in the fluid elimination and helps in the direct connection with uterus. The three or more fibre structure condense at the renal pelvis to form the calyces. These structures helps in the transport of the filtered urine.

Thus, the correct answer is renal pelvis and the calyces.

7 0
4 years ago
Which of the following is mis-matched?
Rus_ich [418]

Answer:

C) Effector – Analyzes receptor output to determine if a controlled condition is correctly maintained.

Explanation:

  • Effector does not analyze receptor output to determine if a controlled condition is correctly maintained. Effector just receive commands from control center and follow them.
  • Control center analyze receptor output to determine if a controlled condition is correctly maintained.

Example; The temperature receptors detect the change in temperature (high temperature), they send the information to control center ( hypothalamus) to analyze the information and the control center send the command to blood vessels to dilate and active the sweat glands.

4 0
3 years ago
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