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## Complete the following sentences: 1. The gastrula is made up of three layers: _____, _____, and _____. 2. In animal kingdom, there are two types of development in relation to the blastopore, these two types are _____. and _____ 3. ______ are animals with cellular level of organization. ## Choos...

## Complete the following sentences: 1. The gastrula is made up of three layers: _____, _____, and _____. 2. In animal kingdom, there are two types of development in relation to the blastopore, these two types are _____. and _____ 3. ______ are animals with cellular level of organization. ## Choose the correct answer: 1. Animals that are regular in shape are ______. * a) asymmetrical * b) symmetrical * c) long * d) short 2. Animals with bilateral symmetrical bodies, there is (are) ______ divide(s) the animal into equal (2 halves. * a) one axis * b) two axes * c) three axes * d) four axes 3. Most animals with radial symmetry are (3 ______. * a) old * b) young * c) sessile * d) motile 4. Animals which possess a notochord are called ______. * a) sponges * b) chordates * c) platyhelminthes * d) insects 5. Animals have two types of skeletons: exoskeleton and ______ * a) hydrocarbon * b) muscles * c) endoskeleton * d) shells 6. Which of the following nomenclatures is correct? * a) Homo Sapiens * b) homo sapiens * c) homo Sapiens * d) Homo sapiens ## Define the following terms: * Vertebrata: * Coelom: