Chapter 23 (and some 24)

True or false, eukaryotes ingested one another to create prokaryotes

• true

• false

After mass extinction, ______________ usually follows

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Evolution is _______ goal-oriented

• not

• sometimes

• always

After the mass extinction of reptiles, which group experienced adaptive radiation?

• reptiles

• mammals

• fish

• primates

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

There is evidence that ______ was the original genetic material

• DNA

• RNA

• Proteins

• Ribosomes

______ are an example of a homeotic gene

• Hox genes

• Extinctions

• Paedomorphosis

• Evo Devo

Tags

NGSS.HS-LS4-2

In the past, evidence indicates there were ___________ mass extinctions (number)

Which of the following steps most likely predates all the other events in the abiotic origins of life?

• Origin of protobionts/protocells

• Origin of DNA

• Origin of organic compounds

• Origin of RNA

Once upon a time, all the continents were geographically connected into a supercontinent called _____

Tags

NGSS.HS-ESS1-5

This is known as the change in the rate or timing of developmental events

• paedomorphosis

• Hox activation

• extinction

• heterochrony