Biology 2 Test
Q:define Symmetry?
... Answer is
is the presence of one or more planes that divide an organism into identical sections. "
Q:What are the types of animals according to the type of symmetry??
asymmetrical , Bilaterally symmetric animals , radial symmetric animals.
Q:What are the characteristics of animals that are used to separate animals from other different groups??
Answer is
All animals are eukaryotes and metazoan (multicellular).
- All animals are heterotrophs. Most digest their food internally.
- Most animals are motile during at least a certain period of their life.
- Many animals have a well-developed nervous system and sensory organs.
- Most animals reproduce sexually. The organism develops from a zygote through embryonic stages.
- Animals possess organs for respiration, excretion, and circulation, except for primitive phyla which use
diffusion for these functions.
Comments
Post a Comment