BIOLOGY MIDDLE SCHOOL

Define Cell Division

Answers

Answer 1
Answer:
the divsion of a cell into two daughter cells with the same genetic material

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What signals that a pine tree is capable of reproduction?

Answers

The presence of cones in the tree signals its readiness for reproduction, as the cone contains the seeds! c:
Little sprout that are near the tree and sal in certain areas

How is sex determined in organisms like humans?A.all of the above
B.the combination of autosomes received from parents
C.the combination of sex chromosomes received from parents
D.the x-linked traits received from the mother

Answers

Answer:

"The combination of sex chromosomes received from parents " .

Explanation:

Sex determination : The process by which sex of a child is determined .

Parental generation :

Mother         Father

XX                   XY (sex chromosomes )

X,X                   X,Y  (gametes )

First filial generation :

       X        Y

X    XX       XY

X     XX       XY

If XX is formed then it is girl and if XY is formed then it is boy .

Conclusion :

  • we concluded that there is 50-50 percent chance of boy or a girl .
  • Sex of a child is determined by father because father produce different gametes .

Answer:

All of the above

Explanation:

The theory of evolution describeswhy some species eat only meat
how all animals become faster over time
how most animals hunt in packs
how species change over time

Answers

The correct answer to your question is the last one; how species change over time.
Hope that helps!

What is one way that streamlining plays a role in your daily activities?

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Answer:

One way of using streamlining in daily routine is during the nights to make a planned schedule in which the next day is planned with the objective of optimizing the time of the activities. This planning will allow in life to perform work and recreation activities.  In addition this planning will allow schedules in food and sleep are necessary and enough for good health.

a red bird and a blue bird mate and there offspring are purple in color what type of inheritance is this

Answers

This inheritance is termed as Incomplete Dominance.When a red bird and blue bird mate the result is a purple offspring.This is because neither of the two colors are expressed.This type of a cross results in formation of a new colored offspring here it is purple.Incomplete dominance is a trait in which an intermediate offspring is formed because one allele is not completely expressed over the other paired allele.The resulting offspring is formed with characters that is a combination of both of their parents character.
Incomplete Dominance

Answer is in the picture please help

Answers

Answer:D

Explanation:All things are made up of atoms but only living things are made of cells.
The answer is D. The reason for this is because everything is made up of atoms, however only living things have cells
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