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Tamiku [17]
3 years ago
14

A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of b

ean plants in the presence of the compound and another group in the absence of the compound. Then they write up a presentation about the experiment stating that the compound promotes plant growth. Which step is missing in their methodology
Biology
1 answer:
lakkis [162]3 years ago
6 0
The step that is missing in their methodology is DATA ANALYSIS.
Data analysis is a very important step in scientific investigation. It is the phase of the scientific investigation where the results obtained from the experiment are gathered, examined and analysed in order to obtain necessary information from the data.
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Which of these individuals is likely to be most successful in an evolutionary sense?
IrinaVladis [17]

Answer:

The correct options is B.

Explanation:

Evolution has to do with the changes that occur in a particular population of organism as a results of environmental changes and other pressure that the population is exposed to and how the organism adapt to counter the changes.

Out of all the options given in this question, the individual that is most likely to be successful in an evolutionary sense is the one describe in option B. This is because, the organism has a short life span of five days and it left behind ten children that are capable of reproducing. Evolution is a process that occur over a long period of time. So, if it an environmental change occur in the environment where the organism lives, it will be easier for the new generation and the subsequent generations of the organism to adapt to the change.

Those organisms that have long life span will not be able to adapt as easily as the organisms in options B because it will take many years and many generations for them to do that.

7 0
4 years ago
Which of the following is NOT a function of Sertoli cells?
zalisa [80]

Answer:

The correct answer is option - d. Production of primary spermatocytes.

Explanation:

The accessory cells or supporting cells present within the seminiferous tubules of reproductive system termed as the Sertoli cells. They play various roles in the body and reproductive system.

Sertoli cells make blood-testis barrier in adjacent Sertoli cells in the seminiferous tubules. These cells secrete different types of enzymes and hormones such as inhibin which are also secreted by ovary and placenta in females. Sertoli cells produce seminiferous tubular fluid to provide nutrition to the sperm. Apoptotic germ cells are timely eliminated by these cells.

Thus, the correct answer is option D. Production of primary spermatocytes.

3 0
3 years ago
HELPP ASAP PLEASE I NEED ANSWERS GIVE A LOT OF POINTS (answer all plzzzz) 11-15
mars1129 [50]

Answer:

11.) red aka b

12.)orange aka a

13.)yellow aka c

14.) orange aka b

15.) last one aka c

Explanation:

11.) F=ma---> 75=0.445(a)--->a=168.5m/s^2

12.)F=ma---> 5,100=m(3)---->m=1,700kg

13.)F=ma---> 3.63=18.15(a)--->a=0.2m/s^2

14.)F=ma---->F=(2,030,000)(15)----->F=30,450,000n

15.) Doubling the mass doubles the acceleration

7 0
3 years ago
Is the kirtland's warbler an experimental population or is it endangered
iren2701 [21]
It is endangered? Because a kirtland warbler is a big species.
4 0
4 years ago
Which of the following biomes most likely contains trees which have adapted to have very thick bark?
NISA [10]
The temperate coniferous forest contains tress which have adapted to have very thick bar, like evergreen trees. I might be wrong, but that is what I think.
4 0
3 years ago
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