Zoology Questions
Explore questions in the Zoology category that you can ask Spark.E!
- Tubellaria (free-living flatworms) - Trematoda (flukes)- Monogrnea (flukes)- Cestadai (tapeworms)
1) Urochordates (marine tunicates) 2) Cephalochordates (marine lancelets) 3) Vertebrates (animals with backbones)
In all animals, except the sponges, the growing embryo develops different layers of cells during the process known as ___
Protostome clade ______, which encompasses the mollusks, annelids, and several other phyla.
Bilateria-3 Germ Layers :______Raidata-2 Germ Layers : _____
Molting animals such as the nematodes and the arthropods
After fertilization, an animal zygote undergoes ____, which produces a hollow sphere called a _____
In a technique known as preimplatnation genetic diagnosis, a single cell from an approx. eight-cell human embryo is removed for genetic testing. The rest of the embryo can be implanted to complete its development. What property of development makes this possible for humans?-determinate cleavageindeterminate cleavage-radial cleavage-spiral cleavage
Germ layers in animal embryos begin to form during the process of:
Humans can be placed in all of the following groups EXCePT:eumetazoacoelomatesbilateriaprotostomes
Animals lacking a fluid-filled body cavity are referred to as:
The upper part of an organism is referred to as:
All of the following may have contributed to the Cambrian explosion EXCEPT:the evolution of the Hox gene complex-the development of the ozone layer-high oxygen levels due to the arrival of land plants-a warm and wet environment with no ice at the poles-the evolutionary arms race between predators and prey
All of the following are characteristics common to most animals except: heterotrophs, movement, multicellularity, cell walls, anchoring, tight and gap junctions
Which germ layer lines the digestive tract?-ectoderm-endoderm-coelom-mesoderm
The animal kingdom is ____ because all the taxa have evolved from a single common ancestor.
T/F Some animals reproduce sexually.Some animals reproduce asexually.
t/f Fertilization can occur externallyFertilization can occur internally
T/F Some animals undergo metamorphosisAll embryos develop inside the mother
The ancestor of animals is most closely related to which present-day group?