Question

which of the following is a feature of all mammals? claws cold blooded produce milk horns

Explanation:

• Claws: Not all mammals have claws (e.g., whales, elephants don't have typical claws).
• Cold - blooded: Mammals are warm - blooded, so this is incorrect.
• Produce milk: One of the defining characteristics of mammals is that female mammals produce milk to nourish their young.
• Horns: Not all mammals have horns (e.g., foxes, squirrels don't have horns).

Answer:

produce milk