Unit 3: Week 4 Spelling

2. The oceanographers had strong _ , or reasons, for seeking research money.
5. She was positive that this precise location was the exact _ where she spotted the whales the first
7. When sharks compete for food violent _ may erupt.
9. Millions of years ago, rushing water carved deep canyons and narrow _ as it rushed to the sea.
11. The seaweed _ were the only samples they collected for the research.
12. Some sea creatures change color as if they are wearing different _.
14. Some algae are made up of many simple_, small units that contain DNA in living things.
15. The scientist wanted to _ each piece of data, so she carefully wrote down exactly what each one said.
16. Eating poisoned shellfish can cause deadly _ .
17. A full moon and other moon _ affect the tides.

1. _ and snails are mollusks and are closely related.
3. Dolphins and whales are _ because they give birth to live young and produce milk for them.
4. The sand _ looked like small rows of mountains.
6. The _ , or dangers, of scuba diving increase when a diver swims too deep.
8. Some people have _ against seafood, disliking it before they even try it.
10. The other scientists agreed that the _ of real whales taught them more than any photo.
11. Scientists have had several _ replacing damaged reefs with artificial ones.
13. Captivity puts some _, or strains, on dolphins.