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marta [7]
3 years ago
12

Which animal undergoes external fertilization?

Biology
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.

= Fish

Explanation:

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An outbreak occurs where the first case is detected on October 15th, the last case is detected on October 27th, and the peak is
aksik [14]

Answer:

12-14 october

Explanation:

The probable period of exposure is calculated as follows:

  1. Know  the range of the incubation period
  2. Start counting back from the days of the first case by subtracting the first number of incubation period range
  3. Count back the days from the last case by subtracting the last number of incubation period range.
  4. This will give a range which will be the period of exposure.

From the question,

  • Incubation period range 1-15
  • Date of first case = october 15
  • Therefore, first date of exposure = 15 -1 = 14
  • Date of last case = 22
  • Therefore, last date of exposure = 27 - 15 = 12
  • Thus, the range is 12-14 october which is the probable period of exposure.
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3 years ago
If you were a biochemical engineer, what would you want to research?​
Usimov [2.4K]

Answer: Biochemical engineers conduct studies on cells, proteins, viruses, or other biological substances to determine optimal conditions for growth or inhibitors that can stop or kill. They develop and conduct experiments to observe interactions of raw materials with each other and in specific environments.

Explanation: Hope this helps :)

4 0
3 years ago
4. Which of the following conclusions about science is best supported by the text?
hjlf

Answer:

4.) C

Explenation

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7 0
3 years ago
During which step (s) of aerobic respiration is oxygen used
-Dominant- [34]

Answer:

What stages of aerobic respiration needs oxygen to happen?

The Krebs cycle and the electron transport system

3 0
3 years ago
What skills and knowledge do you hope to gain from your proposed study programme?​
Dennis_Churaev [7]

Answer:

As my study programme is concerned with the field of biotechnology, I hope that by the end of the proposed study programme, I will be able to gain knowledge about the molecular tools and the concepts and trends in genome editing. I shall be able to perform techniques such as PCR, gel electrophoresis, cell culturing easily. I would be able to grasp better knowledge in the fields of plant biotechnology, animal biotechnology, Industrial biotechnology and marine biotechnology.

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4 years ago
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