BIOLOGY MIDDLE SCHOOL

A scientist finds an unusual living thing and decides to study it. Which observation indicates that the living thing is among the smallest types of living things? A.
It is multicellular.

B.
It does not have a nucleus.

C.
It possesses a membrane-bound nucleus.

D.
It possesses a hard outer shell.

Answers

Answer 1
Answer:

The smallest living organisms which are capable of survive independently in nature are those which possesses a membrane-bound nucleus. Thus, the correct option is C.

What is a Cell?

A cell is the fundamental unit of life. It is the structural and functional unit of all living organisms. Cells are classified on the basis of its structure, function and origin.

Cells contain a nucleus which contains all the genetic material of an organism The genetic material is stored in the form of nucleic acids such as DNA or RNA. A membrane-bound nucleus is present in all eukaryotic organisms. This membrane helps to separate the nuclear material from the cytoplasm.

The presence of a nucleus is important for all the living organisms as this nucleus contains genetic information which is transferred to the offsprings and hence responsible for reproduction and maintaining the number of organisms.

Therefore, the correct option is C.

Learn more about Cell here:

brainly.com/question/5763151

#SPJ2
Answer 2
Answer: Hi There! :)

A scientist finds an unusual living thing and decides to study it. Which observation indicates that the living thing is among the smallest types ofliving things? 
A.
It is multicellular.

B.
It does not have a nucleus.

C.
It possesses a membrane-bound nucleus.

D.
It possesses a hard outer shell.

It does not have a nucleus.

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Viruses do not possess all the characteristics of life. Identify those characterustics that viruses display and those they don't display?

Answers

The main aspect of viruses that causes controversy over it being classified as living is its manner of reproduction.

Viruses do reproduce, like a living organism. However, they cannot do so without a host cell, so they are unable to reproduce on their own, which means that they are not living.

Hope this helps!

Which type of soil drains water most easily?Loamy soil

Sandy soil

Silty soil

Clay soil

Answers

Answer:Which type of soil drains water most easily?

 

Silty soil

 

Loamy soil

 

Sandy soil

Correct!

 

Clay soil

Explanation

Sandy soil contains a lot of sand, which is made up of large particles. Sand drains water very easily.

Explanation:

Answer:

Sandy Soil

Explanation:

"I wanted the ideal animal to hunt," explained the general. "So I said, ‘What are the attributes of an ideal quarry?' And the answer was, of course, ‘It must have courage, cunning, and, above all, it must be able to reason.'" The word quarry has several different meanings. Which one is being used in the previous passage? a hunted animal a square or diamond shape open are for mining source

Answers

It is an animal because he wants an animal to hunt so he wouldnt be looking for a mine and a shape

Answer:

Its an animal because of u think about it. With "game " he meant hunting its not ht eking of game like a board game its the hunting.He also always says his hobbie is hunting so he must be looking for a an animal

Explanation:

ANSWER ASAP IM ON TIME TEST I WILL GIVE BRAINIEST Which of the following is not a reason the nitrogen cycle is important to life on Earth?
a.
All living things need nitrogen to make proteins.
b.
Nitrogen is radioactive if it doesn’t go through the cycle.
c.
Organisms cannot use nitrogen directly.
d.
All living things need nitrogen to make DNA.

Answers

the answer to your scientifical question is D

Which is the best approximation of the density a buoy would need to be to test water conditions at a depth of 2000 meters?A. 1.020 g/cm$$
B. 1.025 g/cm$$
C. 1.030 g/cm$$
D. 1.035 g/cm$$
E. 1.040 g/cm$$
F. 1.045 g/cm$$
G. 1.050 g/cm$$

Answers

GAnswer:

Explanation:

A rock dropped on the moon will increase its speed from 0 m/s ( its starting speed when first dropped) to 4.9 m/s in about 3 seconds. What value do you calculate for the magnitude of the acceleration of gravity on the moon?

Answers

Answer:

Acceleration, a = 1.64 m/s²

Explanation:

It is given that,

A rock is dropped on the moon, its initial velocity u = 0 m/s

Its speed increases from 0 to 4.9 m/s, v = 4.9 m/s

Time taken, t = 3 seconds

We have to find the magnitude of the acceleration due to gravity on the moon. The magnitude of acceleration is given by :

Acceleration, a = rate of change of velocity

a=(v-u)/(t)

a=(4.9\ m/s-0)/(3\ s)

a = 1.64 m/s²

So, the value of  acceleration of gravity on the moon is 1.64 m/s². Hence, this is the required solution.

Acceleration = (change in speed) divided by (time for the change).

From the figures given in the question, the acceleration is ( 49/3 ) =

16.33 m/sec2

.

There's no way that this is happening on the moon. That acceleration is about 67%

greater

than the acceleration of gravity on the earth's surface. It should be about 83%

less,

or about

1.63 m/sec

2

.

I see the problem now. The '49' in the question should be '

4.9

'.

apex- 1.63 m/s2
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