Which of the following statements about vertebrate eyes is true?
A. Most predators have monocular vision.
B. Most predators have eyes on the sides of their heads.
C. Binocular vision helps prey animals scan their surroundings for predators.
D. Most prey animals have eyes on the sides of their head and monocular vision.
E. Monocular vision allows for better depth perception.
Answer: D
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In the U.S., many states passed laws against miscegenation, or marriage between individuals of different races. What genetically based arguments would you use in support or opposition to such laws?
What will be an ideal response?
Choose the true statements about the initiation of limb development in tetrapods.
_____ Forelimbs in birds and humans are analogous structures. _____ The development of homologous limbs in different species involves the activation of all the same genes. _____ Like Brachyury, Tbx5 has a T-box domain that codes for a transcription factor. _____ Tbx5 encoded protein turns on genes that initiate limb development.
When new alleles enter a gene pool, the frequency of the new allele
A. will always remain low. B. will increase then decrease. C. could have been caused by migration of individuals into the population. D. is not influenced by in-migration, only by out-migration.
All the coding and non coding DNA found in the haploid number of chromosomes from one organism is known as the _________.
Fill in the blank(s) with the appropriate word(s).