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Warm up 1/31

Last updated about 6 years ago

2 questions

1

1

Question 1

1.

The cladogram shows the evolution of land plants as indicated by fossil records. Which discovery would challenge the validity of this cladogram?

A large aquatic vascular plant about 200 million years old

A species of algae that has existed for less than one millon years

A moss species that has existed for less than 330 million years

A fossil of a fern more than 425 million years old

Question 2

2.

The bones that make up the forelimbs of monkeys, cats, whales, and birds are similar. Which of the following statements best supports the evolutionary relationship of these animals?

 The animals have different ancestries but have adapted to similar environments 

 The animals share a common ancestry but have adapted to different environments 

 The animals at one time lived in different environments but now share an environment 

 The animals use their forelimbs for identical activities but live in different environments 