keys and variation

Which one of the following shows discontinuous variation?

• Eye colour

• Strength

• Height

• Weight

Which one of the following shows continuous variation?

• Blood group

• Male or female

• Height

Which one of the following is an environmental variation?

• Attached ear lobes

• Male or female

• Eye colour

• Short hair

What type of graph do we use for discontinuous variation?

• A bell-shape

• Line graph

• Bar chart

• Scatter Graph

Which type of data would student height be categorized as?

• Categorical

• Discontinuous

• Continuous

• Normal

Differences between members of the same species are called

• predators

• selections

• traits

• variations

Which of the following is an example of discontinuous variation?

• Weight

• height

• blood type

• Hand span

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta

• Order Araneae

• Order Amblygygi

• Order Scorpiones

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper

• Spruce

• Pine

• Fir

What is the name of bird W?

• Certhidea

• Camarhynchus

• Geospiza

• Platyspiza