BioL 106 (lab)

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REVIEW. Which of the following are typically included in the causes of microevolution? selection extinction mutation drift species richness

Selection mutation drift

PREVIEW. Sponges (Porifera) are said to have which level of organization? cellular colonial (multi-zooid) tissue organ system

Cellular

PREVIEW. What is this unique stinging cell called that is possessed by Cnidarians? cnidocyte cnidariocyte porocyte polypocyte choanocyte

Cnidocyte

PREVIEW. What is/are function(s) of the structure indicated by the arrow? feeding reproduction cell division motility Sensing predation

Feeding reproduction

REVIEW. What is/are proper way(s) to write the genus and species of people? HOMO sapiens Homo Sapiens Homo sapiens (bold lettering) Homo sapiens (underlined) sapiens

Homo sapiens (bold lettering) Homo sapiens (underlined)

Fill in the blank. A(n)_________ is an undirected change in the genetic material (DNA) of an organism. locus gene allele mutation selection

Mutation

PREVIEW. What type of symmetry is exhibited by "B" circular bilateral radial poriferan asymmetrical

Radial

PREVIEW. The body plan of cnidarians is composed of two cell layers, the epidermis (from ectoderm) and the gastrodermis (from endoderm). Therefore, these simple animals are triploblastic and have well developed organ systems.

False

PREVIEW. Cnidarians are composed of tissues, but the tissues are not organized into discrete organs; therefore they exhibit a tissue level of organization. However, some Cnidarians, like the Portuguese Man O' War, have become colonial, with zooids specializing in various functions. True False

True

PREVIEW. What does cephalization mean? - the evolution of locomotory limbs. - the development of dorsal fins allowing for improved motility. - the development of the cephalacortex near the tail of the organism. - the development of reproductive organs near the leading head. -the development of sense organs and nervous system control at the body's leading head.

the development of sense organs and nervous system control at the body's leading head.


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