Compare the sandy intertidal and rocky intertidal with respect to the types of feeding exhibited by the animals living in those areas
What will be an ideal response?
Since the rocky intertidal is so wave swept, and since the substrate is hard and does not absorb food particles, deposited materials tend to get washed away with the receding tides and waves. As a result, deposit feeding is uncommon in the rocky intertidal, with the possible exception of tide pools. Sandy beaches, on the other hand, have larger accumulations of deposited material that is retained by the soft sediments in these areas. Deposit feeders are more common here than in rocky areas. In both rocky and sandy intertidal areas, filter feeding is prevalent due to the abundance of water-born food particles. Scavenging and predation are also common in these two areas.
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Review the ABC model for flower development in Arabidopsis shown below. If additional B activity was expressed in all four whorls, what floral organs would develop from each whorl?
A. whorl 1: sepals; whorl 2: petals; whorl 3: stamens; whorl 4: carpels B. whorl 1: carpels; whorl 2: stamens; whorl 3: stamens; whorl 4: carpels C. whorl 1: petals; whorl 2: petals; whorl 3: stamens; whorl 4: stamens D. whorl 1: sepals; whorl 2: sepals; whorl 3: carpels; whorl 4: carpels E. whorl 1: sepals; whorl 2: petals; whorl 3: petals; whorl 4: sepals
Complementation experiments are used to determine if two observed mutations that are associated with the same trait are actually in the same gene
Indicate whether the statement is true or false
Organic molecules are defined as chemical compounds that contain in distinct ratios and structures.
A. carbon and nitrogen B. carbon and oxygen C. carbon D. carbon and hydrogen E. carbon, hydrogen, and nitrogen
Which of the following is not a reason why Neurospora is an ideal organism to study the effects of
genetic mutations? a. Neurospora is easy to grow. b. Neurospora grows as a haploid organism. c. Neurospora manufactures all its necessary molecules when grown on a minimal medium. d. A mutant Neurospora strain that cannot make a particular amino acid can still grow if that amino acid is added to the growth medium. e. Neurospora contains homologous chromosomes that are easily viewed with a light microscope