Lesson 2: Asexual and Sexual Reproduction

When a single-celled organism splits into 2 new organisms it is called _________________.

• fragmentation

• binary fission

• budding

• sporulation

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NGSS.MS-LS3-2

Some advantages of sexual reproduction include: (select all that apply)

• genetic variation

• improves chances of adapting to the environment

• helps species survive catastrophes

• it doesn't take as much energy as asexual reproduction

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NGSS.MS-LS3-2

NGSS.MS-LS4-4

Some disadvantages to sexual reproduction are: (select all that apply)

• it takes a lot of energy to find a mate

• you don't need another mate

• it requires a male and a female

• more genetic errors can occur

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NGSS.MS-LS1-4

What are some advantages of asexual reproduction? (select all that apply)

• it only requires one organism

• it takes less energy than sexual reproduction

• offspring are already well-adapted for the environment

• there is a lot of genetic variety

Tags

NGSS.MS-LS3-2

Male and female reproductive cells are collectively known as:

• spores

• pollen

• gametes

• offspring

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

Genetically identical offspring are _____________ the parent organism.

• opposite of

• clones of

• superior to

• inferior to

Tags

NGSS.MS-LS3-2

When an egg is fertilized by a sperm cell, a new, genetically different cell is formed. This is called a _______.

• gamete

• spore

• zygote

• embryo

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NGSS.MS-LS3-2

NGSS.MS-LS4-4

In order for a species to survive (not necessarily an individual), organisms produce _______, or young organisms like themselves.

• waste

• nutrition

• gametes

• offspring

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a sex cell has 10 chromosomes, how many chromosomes will there be after fertilization?

• 5

• 10

• 15

• 20

Tags

NGSS.MS-LS3-2

How many parents are required for sexual reproduction?

• 0

• 1

• 2

• 3

Tags

NGSS.3-LS1-1