Double fertilization occurs in Angiosperms
Which of the following species reproduces by internal fertilization?
a) cats
(b) Toads
(c) The fish
(d) alternative b and c
Answer:
(a) Los gatos
Explanation:
Only cats are capable of internal fertilization from the given choices above.
Internal fertilization is the fusion of gametes within an organism. This process occurs during sexual reproduction within the female.
- Toads and fishes exhibit external fertilization.
- External fertilization occurs where the male sperm externally fertilizes the eggs of the female.
- This usually takes place in a moist or wet place especially water bodies. The liquid medium will transport the sperm to the egg.
In cats, the female specie takes in reproductive cells from the male during coitus and it fertilizes the her eggs to produce a zygote.
The advantages of using mixed method are, the pros and cons can be identified and compared for each method. Thus option B is correct.
<h3>What are advantages of using mixed method?</h3>
Mixed methods in research is an advanced form which is basically a combination of quantitative research and qualitative research.
It can help the researcher to gain a more clear and complete picture as it integrates benefits of both methods.
Mixed methods research is used in the behavioral, health, and social sciences, societal research.
Qualitative research has smaller sample size, so mixed methods research is applied for the comparative strength of externally valid quantitative research.
Mixing methods allowed to get findings in detail to the conclusion.
Using mixed methods from different data on same subject can give more credible results.
Thus option B is correct.
Learn more about mixed method, here:
brainly.com/question/28077230
#SPJ2
Answer:
the pH
Explanation:
The condition that should not be kept the same in each of the five test tubes is the pH.
Since <u>the aim of the experiment is to investigate the effect of pH on the activity of the lipase enzyme</u>, the pH is, therefore, the <em>independent variable</em>. Thus, it must be controlled or varied in all the test tubes in order to see its effect on the activity of the enzyme, which, in this case, would be the dependent variable.
Answer:
It helps cells to make proteins.
It provides a source of water
It provides form of usable Nitrogen.
It removes carbon dioxide from the atmosphere.
It destroys harmful bacteria.
