Perpetuation Of Life

Question 1

What is the primary mechanism by which life is perpetuated?

Answer 1

Reproduction

Question 2

True or False: All organisms reproduce sexually.

Answer 2

False

Question 3

Fill in the blank: The process by which organisms produce offspring is called __________.

Answer 3

reproduction

Question 4

What are the two main types of reproduction?

Answer 4

Sexual and asexual reproduction

Question 5

Multiple choice: Which of the following is a form of asexual reproduction? A) Binary fission B) Pollination C) Fertilization

Answer 5

A) Binary fission

Question 6

What role does DNA play in the perpetuation of life?

Answer 6

DNA carries genetic information necessary for reproduction and development.

Question 7

True or False: Genetic variation is essential for the evolution of species.

Answer 7

True

Question 8

What is the term for the genetic makeup of an organism?

Answer 8

Genotype

Question 9

Multiple choice: Which process increases genetic diversity? A) Asexual reproduction B) Sexual reproduction C) Cloning

Answer 9

B) Sexual reproduction

Question 10

Fill in the blank: The study of heredity and the variation of inherited characteristics is called __________.

Answer 10

genetics

Question 11

A process where organisms better adapted to their environment tend to survive and produce more offspring.

Answer 11

Natural selection

Question 12

True or False: All mutations are harmful to an organism.

Answer 12

False

Question 13

What is the main advantage of sexual reproduction?

Answer 13

It increases genetic diversity among offspring.

Question 14

Multiple choice: In plants, which structure is primarily responsible for reproduction? A) Leaves B) Roots C) Flowers

Answer 14

C) Flowers

Question 15

Fill in the blank: The process by which plants produce seeds is known as __________.

Answer 15

pollination

Question 16

Two identical daughter cells

Answer 16

Mitosis

Question 17

True or False: Asexual reproduction does not involve the fusion of gametes.

Answer 17

True

Question 18

A reproductive cell that unites with another to form a new organism.

Answer 18

Gamete

Question 19

Multiple choice: Which of the following is NOT a type of asexual reproduction? A) Budding B) Fragmentation C) Cross-fertilization

Answer 19

C) Cross-fertilization

Question 20

Fill in the blank: The unit of heredity that is transferred from a parent to offspring is called a __________.

Answer 20

gene

Question 21

What is the significance of the fossil record in understanding the perpetuation of life?

Answer 21

It provides evidence of past life forms and their evolution over time.

Question 22

True or False: Extinction has no impact on the perpetuation of life.

Answer 22

False

Question 23

Four genetically diverse gametes/non-identical daughter cells

Answer 23

Meiosis

Question 24

Multiple choice: Which of the following is a form of reproductive isolation? A) Temporal isolation B) Behavioral isolation C) Both A and B

Answer 24

C) Both A and B

Question 25

Fill in the blank: The process by which a single organism can reproduce without the involvement of another is known as __________ reproduction.

Answer 25

asexual

Question 26

What is the primary advantage of genetic variation in a population?

Answer 26

It increases the chances of survival and adaptation to changing environments.

Question 27

Refers to the parent organism breaking into fragments and each fragment is capable of developing into a new organism.

Answer 27

Fragmentation

Question 28

_________ is a type of asexual reproduction wherein cells divides to produced two identical cells. Each of these two cells has the potential to grow to the size of the original cells.

Answer 28

Binary fission

Question 29

Condensation of DNA; Nucleus disappears

Answer 29

Prophase

Question 30

Alignment of chromosomes in the middle of the cell.

Answer 30

Metaphase

Question 31

The chromatids would go to each post of the cell

Answer 31

Anaphase

Question 32

Cell will began to split nucleus will form for each cell

Answer 32

Telophase

Question 33

Cytoplasm of each cell will separate

Answer 33

Cytokinesis

Question 34

Daughter cells/individual is identical to the parent

Answer 34

Asexual

Question 35

_______ reproduction refers to the formation of an outgrowth (or bud) from an organism.

Answer 35

Budding

Question 36

The offspring develops from a female gamete even without prior or fertilization by male gamete.

Answer 36

Parthenogenesis

Question 37

Occurs when one in which the egg cells produced by mitosis do not undergo meiosis.

Answer 37

Apomictic parthenogenesis

Question 38

The reproductive cell go through meiosis.

Answer 38

Automictic parthenogenesis

Question 39

How many chromosomes are there?

Answer 39

23 pairs

Question 40

How many chromatids are there?

Answer 40

46

Question 41

If there are two chromatids but they're not combined to each other what is it called?

Answer 41

Sister chromatids