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OleMash [197]
3 years ago
15

Which of these characteristics is common only at the embryonic stage of fish and humans, and is suggestive of a common ancestor

between the two?
Biology
1 answer:
iVinArrow [24]3 years ago
7 0
The embryos of many kinds of animals have gills slits. Gill slits developed into gills in fish and into ears of mammals. Relating in thinking there are ancestors.
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It has been determined that the temperature in an autoclave should reach __________ for sterilization.
kolbaska11 [484]

The temperature in an autoclave must reach 121° C in order for sterilization to occur.

<h3>Sterilization using autoclaves</h3>

Autoclaves are used to wet-sterilize materials in the laboratory.

In order for the sterilization to be effective, the temperature of the autoclave must reach 121° C.

Also, substances to be sterilized must spend, at least, 30 minutes in the autoclave.

More on autoclaves can be found here: brainly.com/question/6756965

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5 0
2 years ago
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Tresset [83]

Answer:

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Which of the following items is a renewable resource?
maks197457 [2]

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C. Trees

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Trees can be replanted and we can grow more, even though it takes a long time this still makes them a renewable source.

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How does a catalyst work? using these options...
Gelneren [198K]

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Catalyst provide an alternative reaction pathway that has lower activation energy  than that of uncatalysed reaction. It increases the frequency of collision and because of these greater collision which lowers the activation energy of the reaction.


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Which correctly matches connective tissue type with its function?
Gnom [1K]
Th correct option is 4.
There are different types of connective tissues and each have its own function. The deep fascia is the connective tissue that is responsible for support and protection of other muscles and soft tissue structures. The muscle usually surround other muscles, nerves and blood vessels and it bind all these structures together. The deep fascia muscle does not have fat, it is inelastic in nature and quite tough because of the high content of elastin which it possesses.
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