Answer:
Epithelial cells
Explanation:
Epithelial cells act as a barrier to invading cells and viruses.
It lines the tissues of blood vessels in order to keep blood flowing and keeping you healthy.
Answer: D. Plants do not eat, so both chloroplasts and mitochondria are needed to make enough energy for plants to grow.
Explanation: Option A is invalid since plant cells do use ATP. Option B is invalid since animal cells don't make their energy with chloroplasts. Option D is the most realistic one since chloroplasts in the plant are the ones that make the food for the plants, plant doesn't have a "mouth" so they depend on chloroplast to make food.
