What term is used to describe the fact that different genes in an organism often provide differences in observable features?
A) phenotype
B) inheritance
C) genotype
D) natural selection
E) alleles
Answer: A
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A high-resolution video camera is used in which of the following microscopic techniques?
A) immunofluorescence microscopy B) fluorescent staining of cytoskeleton proteins C) computer-enhanced digital video microscopy D) scanning electron microscopy E) transmission electron microscopy
Which adaptation(s) allow(s) a rattlesnake to locate prey more effectively?
a. acute sense of hearing only b. heat and chemical sensors c. acute sense of smell only d. acute sense of vision and chemical sensors e. acute sense of smell and vision
____ make up the detrital food web
a. Carnivores and decomposers b. Decomposers and detritivores c. Decomposers and producers d. Herbivores and carnivores e. Producers and herbivores
Cytoplasmic DNA is a feature of _______________cells
a. eukaryotic b. prokaryotic c. animal d. plant