The Great SciMAZING Race - Grade 9 Review

Land-based ecosystems tend to have more ___i_____ species than ___ii____ species, and the number of different species tends to ___iii___ the farther the ecosystem is from the equator. 

The statement above is completed by the information in row:

• Line A

• Line B

• Line C

• Line D

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

How many statements are correct?

I -  An example of NATURAL selection can be found on Mallard ducks as only the male has green feathers on its head and neck to attract a mate

II - An example of ARTIFICIAL selection can be found on farms as only the largest hens are selected to reproduce to create offspring that have more meat and can be sold at a higher price

 

III -  An example of NATURAL selection are finches with different beaks to help with catching food  are found on different islands in the Galapagos Islands

IV - An example of ARTIFICIAL selection can be found in labs as scientists insert salmon DNA into wheat plants to increase their ability to adapt to wetter conditions.

• Only statements I and III

• Only Statements I, II and III

•   All four statements are true

• Only statements II, III and IV

Tags

NGSS.MS-LS4-4

According to the data, which of the following graphs models the relationship between plant growth and fertilizer use?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

White fur color is ___i___  in cats, and if the two cats described had a fourth kitten, it would be _____II_____.

 The statement above is completed by the information in row:

• i- dominant,

  ii- black

• i- dominant,

  ii- grey

• i- recessive,

  ii- black

• i- recessive,

  ii- grey

Tags

NGSS.MS-LS4-4

Which selection contains ONLY statements that are TRUE based on the illustration above?

• VII, IX, X

• I, V, VIII

• II, III, IV X

• II, IV, VII, VIII, X

Tags

NGSS.MS-LS3-2

Which trait is considered a heritable trait that demonstrates continuous variation?

• height

• Earlobe type

• If someone is male/female

• Blood type

Tags

NGSS.MS-LS4-4

Using the map, we can tell that the Mountain Lion …

• Has more genetic diversity today than it did in the past

• Moved west due to global warming

• Has decreased in number to to more predators being introduced to North America

• Has been extirpated from portions of the United States.

Tags

NGSS.MS-LS2-4

Which of the following best describes part of the ecological niche  of the common squirrel?

• A

• B

• C

• D

There are not many, but there are some species that reproduce sexually and asexually, depending on climatic conditions and availability of female/male members of the same species.

Members of these species most likely will

• Adapt to changes in an environment

• not be able to adapt to changes in an environment

• produce identical offspring in each following generation

•  be a specialist

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Which of the following boxes is a true statement regarding traits?

• a

• b

• c

• d