7th Grade Q2 Review

Sexual reproduction requires the genetic information from two parents. What is an advantage of sexual reproduction?

• genetic diversity

• identical offspring

• less time/energy

What is an advantage of asexual reproduction

• genetic diversity

• identical cells

• less time/energy

• long pregnancies

The process of dividing one cell into two IDENTICAL cells is...

• mitosis

• meiosis

The process of meiosis creates ______, which are used in sexual reproduction.

• body cells

• sex cells/gametes

• zygotes

• mitochondria

Budding and binary fission are forms of _____ reproduction.

• sexual

• asexual

Mitosis creates 2 daughter cells. Meiosis creates _.

• 2

• 4

• 5

• 6

DNA is found in the nucleus of a cell. Why is DNA important?

• it defines your personality

• it contains genetic information

• it describes your living area

• it answers the questions on your math test

Genes are located on DNA. DNA bundles up to form _.

• chromosomes

• mitosis

• nuclei

• lysosomes

The amount of flies in a swamp has drastically decreased. They are the main source of food for the frogs in the swamp. What may happen?

• the frog population will increase

• the fly population will increase

• the frogs will compete for food

• the flies will compete to be eaten

What may be a limiting factor for vegetation in a desert?

• amount of sunlight

• amount of water

• amount of rocks