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zoo; zoological garden
We went to the zoo with our family on the weekend.
vertebrate
Vertebrates are organisms whose part of the skeleton is composed of a spine.
wild animal, wildlife
Wild animals are part of nature, and we should protect them.
zoology
He is majoring in zoology at university.
zoophobia
She has zoophobia, and runs away as soon as she sees dogs or cats.
experiments on animals
Animal experiments are necessary for the advancement of science, but there are also ethical issues.
experimental animal
He is learning about the handling of experimental animals.
Kyūjitai form of 動物学 (“zoology”).
mammal
Mammals can maintain a constant body temperature.
roundworm, nematode, member of the phylum Nematoda.
Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.
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