#Question id: 9606
#XL - S Microbiology
The correct sequence, from the most to the least comprehensive, of the taxonomic levels listed here is
#Question id: 5088
#XL - T Zoology
If gastrulation was blocked by an environmental toxin, then ________.
#Question id: 11653
#XL - T Zoology
Given some characteristics of the climax community
i) Tolerate its own reactions
ii) Tends to become mesic
iii) Less stable
iv) Complex stratification
v) Simple food web
vi) Less mutualism
vii) Gross production is equals to community respiration
viii) Net community production is zero
Which of the following combination shows the characteristics of climax community?
#Question id: 8860
#XL - T Zoology
A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?
#Question id: 3484
#XL - T Zoology
Modern behavioral concepts relate the cost of a behavior to its benefit. Under which relationship might a behavior be performed?
A) cost is greater than the benefit
B) cost is less than the benefit
C) cost is equal to the benefit