Question

Science Virtual Lab: Smithsonian Museum Of Natural History

Foosil Tracks: An unknown animal made these strange chervon-shaped tracks half a ____________ years ago on the rippled sandy floor of a shallow sea.
A) hundred
B) billion✔
C) thousand
D) million

Fossil tracks: The animal's track pattern has been named "Climatichmites."
No _____________ animal leaves similar track patterns.
A) modern✔
B) old
C) big
D) small

The Fine Art of Filter-Feeding. The filter-feeder is limited to "soupe du jour"- a brother of small ______________ and organic particles suspended in sea water.
A) boys
B) girls
C) organisms✔
D) animals

The Fine Art of Filter-Feeding. Competition for food has much to do with where brachiopods and crinoids live. By positioning themselves at different ______________ in the water and choosing food particles of a particular size the animals stake out niches themselves.
A) times
B) heights✔
C) temperatures
D) colors

Filter-feeders move into the spotlight. Brachiopods look like ________.
A) fish
B) kids
C) clams✔
D) animals

Filter-feeders move into the spotlight. Crinoids are __________ looking animals.
A) scary
B) cute
C) rock
D) flowery✔

Answer 1

Your answers are correct. You have to read the plaques in the virtual lab to find the answers. So it shows you read them.

1. billion

2. modern

3. Organism

4. Heights

5. clams

6. flowery