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Biology

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Savanna Parisian

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Cards in this guide (8)
What is an advantage of bilateral symmetry

Celiaphlatus and forward movement. There is a few advantages of the bilateral symmetry. Some of the advantages are food, movement and animals.

What is the free floating body form of cnidarians

Medusa

Which of these is classified in the phylum Echinodermata animals with a spiny exterior and tube feet

sea stars

The segmented worms are classified in which phylum

Annelida

Which animal has an unlined cavity consisting of a tube surrounded by organs

Pseudocoelomate is the word used for an animal with an unlined body cavity made up of a tube surrounded by organs.

What type of animal uses toxins on nematocysts to capture prey

Cnidarians

What evolutionary innovation is associated with the simplest animals the sponges

multicellularity

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Sponges are simple aggregations of single cells which come together for mutual benefit. If you liquidise a sponge, the cells it is made form will come together again to reform the sponge. Thus sponges (or something like them) were probably the first step in the evolution of multi-cellular organisms.

What type of vertebrates always live a double life partly in water and partly on land

amphibians

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