Cells, Reproduction, & Heredity

Which of these are NOT found in animal cells??

• chloroplasts & organelles

• cell walls & chloroplasts

• DNA & Mitochondria

• cell walls & cell membranes

Match the following

• adaptation

• describes a strong factor for a trait

• genes

• describes a weak factor for a trait

• dominant

• Pieces of DNA that control how you look & grow

• recessive

• a feature of an organism that helps it survive in its surroundings

• chloroplasts

• organelles in which sugar is made in plant cells

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What did Robert Hooke invent in 1665?

• an airplane with double wings

• a microscope that magnified objects 30 times

• a telescope

• a pair of contact lenses

Which of these is NOT part of the cell theory developed by scientists in the 1800s?

• all life processes take place in cells

• genes are located on chromosomes

• new cells are produced by existing cells

• cells are the basic building blocks of all living things

Which tissue type lines your air passages?

• connective

• epithelial

• muscle

• nerve

What event occurs in an organism when a chromosome is not copies correctly during meiosis?

• a mutation

• natural selection

• many offspring

• twins

Tags

NGSS.HS-LS3-2

Which two organs make up the shoot system in plants?

• leaves & roots

• leaves & branches

• stems & leaves

• stems & flowers

Which process produces reproductive cells that have half as many chromosomes as body cells have?

• fertilization

• meiosis

• mitosis

• pollination

Tags

NGSS.MS-LS3-2

How many chromosomes does a human reproductive cell have?

• 23 chromosomes

• 23 pairs of chromosomes

• 46 chromosomes

• 46 pairs of chromosomes

What are the four tissue types?

• connective tissues

• nerve tissue

• muscle tissue

• epithelial tissue

Tags

NGSS.MS-LS1-3