BIOLOGY MIDDLE SCHOOL

Station 4! Help pls!1. organisms that can make their own foods are called ____.

A. Autotrophs
B. Heterotrophs
C. Consumers
D. Decomposers

2. The difference between prokaryotes and eukaryotes is ____.

A. Prokaryotes contain cells
B. Prokaryotes are bigger
C. Eukaryotes have membrane bound structures
D. Eukaryotes do not contain organelles

3. Earthworms, jellyfish, insects, and spiders are grouped together because they are ____.

A. Prokaryotes
B. Vertebrates
C. Autotrophs
D. Invertebrates

4. ____ plants such as moss and liverwort do not have true roots, stems, or leaves.

A. Woody
B. Herbaceous
C. Vascular
D. Nonvascular

Answers

Answer 1
Answer:

Answer:

1.) Autotrophs

2.)C

Explanation:

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What is the relationship between chromatin and chromosomes

How many chromosones do you have??

Answers

In humans, each cell normally contains 23 pairs of chromosomes, for total is 43.  
You have 24 chromosomes 

Match these up1. Human sewage
2. Limiting nutrient
3. Dead organisms and solid waste
4. Human activity
5. 80% of air

a. can cause eutrophication
b. nitrogen gas
c. account(s) for even more production of nitrogen than nature does
d. Amount available can determine how fast growth happens.
e. contain(s) nitrogen compounds that are converted by bacteria to ammonia

Answers

5. to B.  3. to E.  2 to A. 1. to D. 4. i believe is C.

A man pushes a lawn mower with a force of 200 N across 50 meters of his lawn. How much work did the man perform?

Answers

Answer:

10,000 N-m

Explanation:

Work done is the product of force applied and the displacement occurred due to the applied force.  

Work done = Force x displacement  

= 200 N x 50 meters  

= 10,000 N-m
finding work:

w = f × d , where F, force applied and where D, distance.

W= 200 N × 50 m
= 10 000 nm or j

Which of the following are threadlike linear strands of DNA and proteins that carry the genes and functions in the transmission of hereditary information for living organisms?A. Cells
B.Chromosomes
C. mutations
D. chloropyll

Answers

b.Chromosomes hope this helps

What is the ozone layer?
Why is it important to humans?

Answers

Answer:

The ozone layer absorbs most of the Sun's ultraviolet radiation in the Earth's stratosphere.

Explanation:

It is important to humans because it protects us from getting sun burnt and from our body receiving too much radiation.

Answer:

it protects us from radiation from the sun

What is the function of meiosis???

Answers

keeping constant the number of chromosomes of the species and perform a summary of recombination, through crossing-over 

( Swapping – increases the genetic variability )

hope this helps!
Meiosis is used in sex cells to make sure that the number of chromosomes doesn't change from generation to generation.
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