year 10 common assess revision term 2

This is any alteration in a structure of a function that allows an organism to be better suited for its environment.

• vestigial structures
• adaptation
• embryo
• species

What kind of evidence for evolution is shown in this image?

• fossil evidence
• anatomical evidence
• molecular evidence

What does Darwin's theory of evolution suggest?

• species change over time
• extinct species are not related to living species
• different species can interbreed
• animals that look alike are most closely related

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Which of the following is most likely to become preserved as a fossil?

• a leaf

• a worm

• jelly fish

• clam shell

Which of the following is NOT an example of a fossil?

• a petrified dinosaur bone
• a footprint captured in mud
• a seashell found on the beach
• an insect stuck in amber

What do Fossils show us?

• Exactly what dead organisms looked like

• How much or how organisms have changed over time

• How organisms have stayed the same

In the Picture - Where are the oldest fossils of the organisms that lived longest ago found?

• At the bottom

• At the top

• In the middle

In order for a fossil to form, which one of the following must happen first,

• Slowly, minerals in the water replace the bone.

• Sediment covers the bone.

• An animal dies.

• The bone is no longer a bone, but a rock copy.

Why don't we know what many ancient plants looked like? 

• They had too many soft parts.
• They were all eaten by dinosaurs.
• There weren't ancient plants.
• They had too many hard parts.