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Doss [256]
3 years ago
9

________ cells are involved in fertilization.

Biology
1 answer:
dalvyx [7]3 years ago
5 0

Answer:

all of the above but not sure

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Researchers want to use edna to look for an invasive species in a waterway. which of these steps should they do last? a. precipi
VikaD [51]

The step at which the researchers would do at the end of researching Edna is to amplify the amount of DNA.

Option (d);

<u>EXPLANATION:</u>

  • The term EDNA means Environmental DNA.
  • Invasive species in the waterway are the waterborne plants and animals who can likely cause effects to the human as well as the environment.
  • If researchers want to use eDNA to look for invasive species in the waterway, they will first collect a sample.
  • After cutting DNA into pieces, DNA would be precipitated in each sample.
  • And in the end, the amount of DNA would be amplified in each sample to understand how it would cause harm to the environment.
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3 years ago
What are all the parts of the endocrine system?
Elis [28]

Answer:

hypothalamus.

pituitary.

thyroid.

parathyroids.

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pineal body.

the ovaries.

the testes.

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1) Research the history of terrariums. Find out who developed the first terrarium. What did this particular scientist want to st
dedylja [7]
1 ) The first terrarium was developed by botanist Nathaniel Bagshaw Ward in 1842. He was interested in studying insect behaviour. Once he accidentally left one of his bug jars open. A fern spore in the jar sprouted, grew and germinated into a new plant. This is how the first terrarium had been created.

2 ) <span />Because of the different conditions within, terrariums there are two, which can be classified as closed and open. Closed terrariums have a lid to enclose the plants entirely within the glass container. Open terrariums do not require a lid.​

Sorry working on this right now as well, and I don't have the others yet :(
<span><span>
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5 0
3 years ago
Hi please help i’ll give brainliest
kondor19780726 [428]

answer of the question: B

4 0
3 years ago
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Balancing equation for separate water
Zanzabum

Explanation:

Water splitting is the chemical reaction in which water is broken down into oxygen and hydrogen: 2 H2O → 2 H2 + O. Efficient and economical photochemical water splitting would be a technological breakthrough that could underpin a hydrogen economy.

<u>pls mark as brainliest..........................</u>

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