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Grace [21]
2 years ago
11

MARK AS BRAINLIEST Please answer this

Biology
1 answer:
sukhopar [10]2 years ago
6 0

Answer:

7 is A

8 is A

9 is also a

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Which feature do all adult echinoderms have?
Lana71 [14]
The phylum Echinodermata , which contains about 6000 species, gets its name from the Greek, literally meaning "spiny skin." Many echinoderms actually do have "spiny" skin, but others do not. This phylum exists exclusively in the sea, and cannot be found on land or in fresh water. All echinoderms have one thing in common: radial symmetry. This means that the creatures have appendages (or body construction) which point outward from the center of the body like the spokes on a bicycle wheel. Furthermore, these appendages usually occur in multiples of five, although there are a few exceptions. There are several well known members of this group, like sea stars and sea urchins. The radial symmetry is obvious in these creatures.
5 0
2 years ago
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You dilute an unknown sample of bacteria to 1 x 10-6 and plate out 10 onto a Petri dish. The next day you count 64 colonies. The
Sveta_85 [38]

Answer:

b

Explanation:

The correct answer would be 6.4 x 10^6 cells/ul.

For 1 x 10-6 dilution, the plating factor is 10^6. To find the number of bacteria in the original sample, the plating factor is multiplied by the colony count per ul.

<em>Number of viable bacteria = plating factor x colony count/ul</em>

Since 10 ul gives 64 colonies.  1 ul will give:

         64/10 = 6.4 colonies.

Therefore, the viable bacteria in the original sample = 6.4 x 10^6 cells/ul

The correct option is b.

3 0
2 years ago
How do nutrients from food get into the blood?
jasenka [17]

Answer:

the answer is C

Explanation:

this shows how nutrients in the body because it enters the blood capillary which therefore goes through the small intestine.

I really hope this is helpful and understanding.

4 0
2 years ago
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Which of these statements provides evidence to the fact that oceans influence climate by transporting water from one place to an
Harman [31]
<span>provides evidence to the fact that oceans influence climate by transporting water from one place to another </span>Warm ocean water off the east coast of Florida affects the climate of Europe.
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Hector is back from his morning run and is feeling lightheaded because his energy is depleted. Which food item will provide him
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Assuming that all of them was made without sugar, Butter beans has the most amount of carbohydrates the options above
100 gram of butter beans contains about 21 gram of carbohydrates. This is way more than tuna and fruits who contains 0 carbs and protein that only contains 1.1 gram.
6 0
3 years ago
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