Question

this type of animal usually eat only meat.

Explanation:

The question is about identifying the type of animal that only eats meat. In biology, animals are classified by their diet, and carnivores are animals that primarily consume meat. This falls under the subfield of Biology (Natural Science) as it relates to the study of living organisms and their characteristics, including dietary habits.

Answer:

Carnivore (the type of animal that usually eats only meat is a carnivore)