Reproduction
Microscope. A scientist might use a microscope. Well actually, it depends on the size of the animal. If it is microscopic, then scientists might have to observe it using it using a microscope. If it can actually be seen, then scientists mught actually take a sample of it back to the labratory to observe physically.
WikiAnswers cannot read your mind to know what you did or did not observe.
Zoo's, Aquarium, Labs, animal testing, animal shelters....
Observe the shape and how big it is.
Homoeostasis.
A nutria is actually an animal. A nutria is actually an animal.
Open circulatory system. YOU are dissecting a live animal & shame shame on YOU!!
the processes are nothing :)
yes
An ethologist studies how living organisms interact and communicate with each other. They observe animal behavior in natural settings to understand the processes of communication, social behavior, and interactions between different species.
yes and no. its a fish actually but yes its a animal:)
the processes are nothing :)