During embryonic development, which of the following exhibits spiral cleavage, meaning that daughter cells sit in grooves formed by previous cleavages?
Blog
This term describes an appendage with two branches; one bran…
This term describes an appendage with two branches; one branch being the gill, the other branch being the leg:
The respiratory organs of found in terrestrial forms of arth…
The respiratory organs of found in terrestrial forms of arthropods are:
The Molluscan class “Gastropoda” includes which of the follo…
The Molluscan class “Gastropoda” includes which of the following organisms?
Grasshoppers breathe by these, tubes that carry air througho…
Grasshoppers breathe by these, tubes that carry air throughout their body.
The first pair of appendages on a spider is modified fangs c…
The first pair of appendages on a spider is modified fangs called:
Fused body regions of the arthropods are referred to as:
Fused body regions of the arthropods are referred to as:
For a given substance, the amount of light absorbed depends…
For a given substance, the amount of light absorbed depends upon which of the following?
Structures responsible for movement in an Echinoderm:
Structures responsible for movement in an Echinoderm:
Squid and octopuses have __________ to allow them to escape…
Squid and octopuses have __________ to allow them to escape predators.