Leap Science

Which is an example of a chemical reaction?

• paper cut into small pieces

• chocolate melting in a pan

• flour and sugar mixed in a bowl

• cookies baking in an oven

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

What you see, or the physical appearance.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.MS-LS3-2

What body system takes nutrients and oxygen to and carbon dioxide and waste from the cells?

• circulatory system

• nervous system

• digestive system

• respiratory system

What body system breaks down food?

• circulatory system

• nervous system

• digestive system

• respiratory system

What body system controls movement of the human body?

• circulatory system

• nervous system

• digestive system

• respiratory system

The _______ is the basic building block of the human body.

• organ

• cell

• tissue

• system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2