BIOLOGY MIDDLE SCHOOL

What are two examples of mechanical digestion? Select both. a
Muscular squeezing and mixing.
b
Enzymatic break down of large molecules.
c
Chewing in the mouth.
d
Acids in the stomach break down food.

Answers

Answer 1
Answer:

i believe its B and D as they're both acids/enzymes

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I need help with these two questions, I've been trying to answer them for over a week now. •Define photosynthesis and cellular respiration. Explain how they are alike and different. You can use the equations in your explanation. •Explain how photosynthesis and cellular respiration apply to the Law of Conservation of Matter.
Explain why spiders and ticks aren't insects
How do genes mix in humans?
________ is the process of cell division that results in the formation of cells with half the usual number of chromosomes

The formula to calculate population density is blank a land area / number of populations be number of populations / land area see numbers of organisms in a religion / land area DeLand area divided number of organisms in a region

Answers

Answer:

A. dividing the number of organisms in a region by the land area

Explanation:

correct on edge

Mr. Morales is teaching a lesson on classification. He says that spiders are classified as a different group than insects because they have eight legs instead of six legs. He explains that spiders evolved first. Mr. Morales also says that having eight legs is the derived trait that separates the two groups. Antonio thinks Mr. Morales is wrong. Which piece of information is Antonio considering?

Answers

Answer:

answer is C

Explanation:

antonio is considering that since the spiders came first, it cannot have 'derived traits' from anything. spiders themselves are the ancestralspecies of the insects

All animals that swim freely in the ocean are known as...?

Answers

the answer is nektonAnswer here
this answer includes animals and plants :  phytoplankton 

*****100 POINTS****What is the relationship among chromosomes, genes, and DNA?


Genes are found on long strands of DNA. DNA is tightly wound into chromosomes.


Genes read the DAN code found on chromosomes. Chromosomes are long tightly wound strands of DNA.


DNA reads the nucleotide sequences found in genes. Genes are located on tightly wound structures called chromosomes.


Chromosomes are sections of DNA found on genes. Genes are long, tightly wound strands of DNA.

Answers

Answer:

it is the third option: DNA reads the nucleotide sequences found in genes. Genes are located on tightly wound structures called chromosomes.

Explanation:

Answer:

Its the last one

Explanation:

Which is the best description of weathering?A. crystallizing to form minerals
   B. breaking rocks into fragments by physical or chemical means
   C. compacting rocks
   D. cementing rocks together

Answers

weathering:
A) crystallization to form minerals
there minerals are usually sedimentary rock.

Explain the specialised features of the following: ovum, sperm and epithelial cell fron ileum​

Answers

Answer:Ovum- contains the ovas of a female that are realized during ovulation

Explanation:
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a substance that moves  across a cell membrane without using the cells energy tends to move?a.)  away from the area of equilibriumb.) away from the area where it is less concentrated.c.) away from the area where it is more concentratedd.) toward the area where it is more concentrated