*Question*
Q: What substances digest the food in the vacuole of an ingestive protist? Read this paragraph and choose the correct option from the provided answers: Ingestive protists ingest, or engulf, bacteria and other small particles. They extend their cell wall and cell membrane around the food item, forming a food vacuole. Then enzymes digest the food in the vacuole. Choices: - carbohydrates - lipids - hormones - enzymes A:
**Answer**
enzymes

*Question*
Q: What type of animal are most reptiles in regards to diet? Read this paragraph and choose the correct option from the provided answers: Most reptiles are carnivores, and large reptiles are the top predators in their ecosystems. Choices: - herbivores - omnivores - arthropods - carnivores A:
**Answer**
carnivores

*Question*
Q: Skeletal muscles must work in pairs to move bones back and forth at a joint because they can only do what? Read this paragraph and choose the correct option from the provided answers: Muscles can only contract. They can't actively lengthen. Therefore, to move bones back and forth at a joint, skeletal muscles must work in pairs. For example, the bicep and triceps muscles of the upper arm work as a pair. You can see how this pair of muscles works in Figure below . When the bicep muscle contracts, it bends the arm at the elbow. When the triceps muscle contracts, it straightens the arm. Choices: - vibrate - pull - expand - contract A:
**Answer**
contract

*Question*
Q: What significant part of the cell do prokaryotic cells lack? Read this paragraph and choose the correct option from the provided answers: Prokaryotic cells are cells that lack a nucleus. The DNA in prokaryotic cells is in the cytoplasm, rather than enclosed within a nuclear membrane. All the organisms in the Bacteria and Archaea Domains have prokaryotic cells. No other organisms have this type of cell. Organisms with prokaryotic cells are called prokaryotes . They are all single-celled organisms. They were the first type of organisms to evolve. They are still the most numerous organisms today. Choices: - a cell wall - a ribosome - mitochondrial dna - a nucleus A:
**Answer**
a nucleus