Question 1 (1 point) Question 1 Unsaved
In an ecosystem, _________________________ break down dead plants and animals, and release nutrients back into the soil, where the nutrients become available for other species.
Question 1 options:
Producers
Decomposers
Consumers
Question 2 (1 point) Question 2 Unsaved
_______________________________ are plants whose seeds do not form inside an additional structure, and include pine trees, cycads, and cedar trees.
Question 2 options:
Angiosperms
Autosperms
Gymnosperms
Question 3 (1 point) Question 3 Unsaved
_______________________________ are plants that produce flowers, and include grasses, roses, and maple trees.
Question 3 options:
Angiosperms
Autosperms
Gymnosperms
Question 4 (1 point) Question 4 Unsaved
_______________________ is a fungus that grows in association with green algae or other photosynthetic organisms.
Question 4 options:
Protist
Lichen
Mold
Question 5 (1 point) Question 5 Unsaved
_______________________refers to organisms such as humans, fish, and birds that have an interior skeleton, or endoskeleton, and a backbone.
Question 5 options:
Gymnosperms
Invertebrate
Vertebrate
Question 6 (1 point) Question 6 Unsaved
_______________________refers to animals such as insects, sea anemones, and worms that lack an interior skeleton.
Question 6 options:
Gymnosperms
Invertebrate
Vertebrate
Question 7 (1 point) Question 7 Unsaved
________________________ is symmetry around a single line, as in a human being.
Question 7 options:
Bilateral Symmetry
Radial Symmetry
Asymmetry
Question 8 (1 point) Question 8 Unsaved
________________________ is without symmetry.
Question 8 options:
Bilateral Symmetry
Radial Symmetry
Asymmetry
Question 9 (1 point) Question 9 Unsaved
________________________ is symmetry around a point, as in a sea star.
Question 9 options:
Bilateral Symmetry
Radial Symmetry
Asymmetry
