Answer:
A there needs to be a producer, consumer, and predator, and decomposer.
I hope this helped!!
Answer:
The reactants are the Products of Photosynthesis which is glucose and oxygen.

Explanation:
After the worms have finished eating their food, the students must now weigh the worms and record this data. They can then compare these new weights to the starting weights of the worms and see if it demonstrates their hypothesis. Hope this helped :)
In general, yes, the dorsal blood vessel of a worm be seen from the worm's exterior because a worm's "skin" is very thin. Although of course there are exceptions.
Answer: D - Eukaryotic
Explanation: Can not be A, B or C
- Prokaryotic cells can not make up multicellular organisms
- Bacterial cells are prokaryotes and unicellular
- Not all multicellular organisms are plants and are therefore not all made of plant cells