Animal Facts
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- In terms of food, how are animals different than plants?
- Animals must find food to eat whereas plants make their own food.
- Into what two major categories do scientists separate animals?
- Vertebrates and invertebrates are the two categories.
- Roughly what percentage of all animals have backbones?
- About 10% of all animals are vertebrates compared to 90% invertebrates.
- Into what five major categories do scientists separate the group of animals which tend to be greater in size as opposed to number?
- Fish, amphibians, reptiles, birds, and mammals are the categories.
- Into what six major categories do scientists separate the group of animals which tend to be greater in number as opposed to size?
- The categories are the sponges, stinging-celled animals, worms, jointed creatures, soft-bodies, and spiny critters.
- Which category of animals represents about 75% of all animals?
- Jointed animals like insects, crabs and lobsters make up this large category.
- Which category is the simplest of the animals without backbones?
- Sponges are the simplest animals without backbones.
- What three categories of animals with backbones are cold-blooded?
- Fish, amphibians, and reptiles have body tempertures which change according to the temperature around them.
- Name two soft-bodied animals without backbones whose names start with the letter "s".
- Slugs and snails are soft-bodied animals (that damage Mr. Clay's garden!)
- What is the systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them?
- That grouping is called classification.