BIOLOGY MIDDLE SCHOOL

What is the function of meiosis???

Answers

Answer 1
Answer: 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!
Answer 2
Answer: 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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Gregor Mendel, an Austrian monk, is often known as the father of genetics. He studied the cross breeding of the traits in pea plants. Which statement best defines genetics (heredity)? A. Passage of genetic introductions from one generation to the next generation. B. Chromosomes that are found inside the chloroplast contain genetic material. C. The percentage of genes that are expressed. D. The ability to choose specific traits that are passed from parent to offspring.
How the repertory system with following physiological requirements

Explain carefully what is wrong with each of these statements,and suggest what should have been said instead:
(a) "The function of the stomach is to digest food."

(b) "The small intestine absorbs your food."

(c) “Amylase breaks down starch to glucose."

(d) "The stomach contains acid because the protease enzyme
there works best at pH 2."

Answers

Answer&Explanation:

All statement are correct but for a: not only stomach is digesting food but there whole alimentary canal

B: addition vitamin is absorbed at stomach together with water

C: starch to maltose which is then broken by lipase enzymes to glucose

D:in addition acid kill bacteria and activate the enzymes pepsinogen and renin

3. Which of these substance has a brown color and isdetected by the spectrophotometer in our reaction?
A) Guaiacol
D) Tetraguaiacol
B) Peroxidase E) Hydrogen peroxide
C) buffer

Answers

Answer:

E) Hydrogen peroxide

Explanation:

Hydrogen peroxide is the substance that has a brown color and is  detected by the spectrophotometer in our reaction.

How do all multicellular organisms begin? A. as complex organisms B. as a single cell C. by expanding the size of their cells D. by creating all their cells at one time I believe it is b

Answers

B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together.

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from thosethat are outside of the system. Which part of the cell functions as a system boundary?

Answers

Answer:

cell membrane

Explanation:

Which of the following is not a benefit of biofilms for bacteria?O a
Ob
oc
Od
Biofilms allow for adhesion of colonies
Bacteria can share nutrients
Allows for resistance to sanitation
Better spreading of reproductive cells

Answers

Answer:

Better spreading of reproductive cell is not a benefit of bioflims for bacteria.

Option: (d)

Explanation:

  • Bioflims can allow for adhesion of colonies, that can attach surface such  as rock, tooth and it includes single or group of micro organism.
  • Bioflim bacteria can share 'nutrients' and it is  sheltered from 'harmful factors' in environment like desiccation, antibiotics, etc.
  • It allow resistance for sanitation, that hold bacteria together and also exclude most disinfectant and antibiotics. It is resistant to sterilization.

Give an example of two organisms that compete for the same resources

Answers

Eagles and hawks both compete for the same prey. They both seek small things like mouses, snakes, etc.

Make me brainliest answer if this helped you!
Two birds compete for snakes
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