18) deer mice and reindeer differ in their energy budgets in that A) deer mice u
ID: 270503 • Letter: 1
Question
18) deer mice and reindeer differ in their energy budgets in that
A) deer mice use a greater proportion of their metabolic energy to maintain body temperature.
b) deer mice use a greater proportion of their metabolic energy to seeking food.
C) deer mice use a greater proportion of their metabolic energy for hibernating.
D) deer mice use a greater amount of metabolic energy for growth
19) in a survivably cold environment, an ectotherm is more likely to survive an extended period of food deprivation than would an equally sized endotherm because the ectotherm.
a) maintains a higher basal metabolic rte.
b) expends more energy per kg of body mass than does the endotherm.
C) invests little energy in temperature regulation
D) has greater insulation on its body surface.
20) both fungi and insects produce which of the following molecules?
A) cellulose
B) chitin
c) peptidoglycan
d) sporopollinen
21) what would be the ploidy of a single mature spore of a fungus?
A) tetraploid
b) triploid
c) diploid
d) monoploid
22) a biologist is trying to classify a newly discovered fungus on the basis of the following characteristic
1. hausteria that form arbuscular mycorrhizae
2. coenocytic hyphae and mycelia
3. asexually reproducing
4. oligate symbionts
This new species most likely belongs to which of the following groups?
A) Glomeronycetes
B) Basidiomycetes
C) Ascomycetes
D) Chytridomycota
23) sporangia produced by the bread “mold” Rhizopus(Zygomycetes) represent:
A) asexual structures that produce diploid spores.
B) asexual structures that produce haploid spores
c) sexual structures that produce diploid spores
D)sexual structures that produce haploid spores.
Explanation / Answer
18) A. Deer mice use a greater proportion of their metabolic energy to maintain body temperature
19) C. Invests little energy in temperature regulation
20) B. Chitin
21) d. Monoploidy/ haploid
22) A. Glomeromycetes
23) B. Asexual structure that produce haploid spores
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