Growth, Development and Reproduction

This process does not cause variation in a population. 

• sexual reproduction
• mutations
• asexual reproduction

Tags

NGSS.MS-LS3-2

Offspring that are created by sexual reproduction...

• are identical to their father

• are identical to both parents

• have a mix of DNA from both their mother and father

• have completely different DNA than either of their parents.

Tags

NGSS.MS-LS3-2

Which behavior most likely increases the chances of successful reproduction. 

• Lions hunting in packs. 
• Elephants keeping their young in the middle of the herd. 
• Birds migrating in the winter to warmer weather. 
• Skunks releasing a bad smell when they are approached by predators.

Tags

NGSS.MS-LS1-4

This is the oval shaped part of a flower that contains pollen and is usually on the filament.

• anther
• sepal
• stamen
• stigma

This is the top part of the pistil of a flower which is sticky to make pollen grains attach more easily.

• petal
• sepal
• filament
• stigma

Tags

NGSS.MS-LS1-4

These are found at the bottom of the pistil of a flower; they are tiny egg cells that will become seeds.

• ovaries
• ovules
• anthers
• sepals

How are plants adapted to allow animals to disperse their seeds?

• The seeds are able to float. 
• The seeds have hooks that attach to fur. 
• The seeds are light and have feathery attachments. 
• The seeds dry out and burst open. 

Which is not a type of environmental factor that affects plant growth?

• Type of seed
• Amount of water
• Amount of light
• Type of soil

Tags

NGSS.MS-LS1-5

A cat has genotype GG. It is...

• homozygous recessive
• heterozygous
• homozygous dominant

A cat has genotype Gg. It is...

• homozygous recessive
• heterozygous
• homozygous dominant