BIOLOGY 1120 - LAB EXAM WITH
CORRECT ANSWERS 2025
Invertebrates ( correct answers ) Have no backbone or exoskeleton
Vertebrates ( correct answers ) Have an
endoskeleton Hermaphroditic ( correct answers )
Have both gametes
...anatomical features. ( correct answers ) The
classification of animals is based on...
Body Plan ( correct answers ) Body symmetry, body cavity,
and embryonic development.
Body Symmetry ( correct answers ) Usually radial or bilateral
Radial Symmetry ( correct answers ) Refers to parts of the animal
being formed around a central axis.
Bilateral Symmetry ( correct answers ) Can be divided
into an equal right and a left side.
Coelom ( correct answers ) A hollow space that contains internal
organs. Acoelomate ( correct answers ) Animals that
lack a coelom.
Pseudocoelomate ( correct answers ) Animals have a false cavity.
Coelomate ( correct answers ) Animals have a true body cavity with
organs held in place by a peritoneum.
Germ Layers ( correct answers ) Tissue Layers
Ectoderm ( correct answers )Gives rise to tissues that line the body
surfaces. Endoderm ( correct answers ) Develops
into the gut lining.
Mesoderm ( correct answers ) Forms the muscles and other internal
body organs. Diploblastic ( correct answers ) Only two germ
layers.
CORRECT ANSWERS 2025
Invertebrates ( correct answers ) Have no backbone or exoskeleton
Vertebrates ( correct answers ) Have an
endoskeleton Hermaphroditic ( correct answers )
Have both gametes
...anatomical features. ( correct answers ) The
classification of animals is based on...
Body Plan ( correct answers ) Body symmetry, body cavity,
and embryonic development.
Body Symmetry ( correct answers ) Usually radial or bilateral
Radial Symmetry ( correct answers ) Refers to parts of the animal
being formed around a central axis.
Bilateral Symmetry ( correct answers ) Can be divided
into an equal right and a left side.
Coelom ( correct answers ) A hollow space that contains internal
organs. Acoelomate ( correct answers ) Animals that
lack a coelom.
Pseudocoelomate ( correct answers ) Animals have a false cavity.
Coelomate ( correct answers ) Animals have a true body cavity with
organs held in place by a peritoneum.
Germ Layers ( correct answers ) Tissue Layers
Ectoderm ( correct answers )Gives rise to tissues that line the body
surfaces. Endoderm ( correct answers ) Develops
into the gut lining.
Mesoderm ( correct answers ) Forms the muscles and other internal
body organs. Diploblastic ( correct answers ) Only two germ
layers.
