#Question id: 4980
#Unit 11. Evolution and Behavior
If an increase in dicynodont species diversity (i.e., number of species) occurred soon after the Permian extinction, and if it occurred for the same general reason usually given for the increase in mammalian diversity following the Cretaceous extinction, then it should be attributed to
#Question id: 3482
#Unit 11. Evolution and Behavior
Which statement below about mating behavior is correct?
A) Some aspects of courtship behavior may have evolved from agonistic interactions.
B) The degree to which evolution affects mating relationships depends on the degree of prenatal and postnatal input the parents are required to make.
C) The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair.
D) Polygamous relationships most often involve a single male and many females, but in some species this is reversed
#Question id: 31093
#Unit 4. Cell Communication and Cell Signaling
#Question id: 4788
#Unit 8. Inheritance Biology
The wild-type (W) Abraxas moth has large spots on its wings, but the lacticolor (L) form of this species has very small spots. Crosses were made between strains differing in this character, with the following results:
What are correct conclude from genetic explanation of the results in these two crosses
a. female are heterogametic but male are homogametic for sex chromosome
b. female are homogametic but male are heterogametic for sex chromosome
c.Trait for spot shape linked with sex chromosome
d. Trait for spot shape linked with autosome chromosome
e. Gene for spot shape present on mitochondrial genome
#Question id: 11404
#Unit 10. Ecological Principles
You were discovered 4 species in forest, their characteristic as following,
A specie eat only bamboo;
B species eat fruits of many tree species;
C species Short life span;
D species low population variability .
Which of the following species characteristics have been proposed as more prone to extinct?