TLS Online TPP Program

#Question id: 28513


To induce Fgf8 expression by Fgf10, once Fgf8 is made in the surface ectoderm, the surface ectoderm elongates to physically become the AER. which one is the main functions of the AER?

#Unit 5. Developmental Biology
  1. to maintain the activation of both Wnt3a and Tbx4
  2. to tells the surface ectoderm to continue to make Fgf8
  3. to maintain activation of both Wnt2b and Tbx5
  4. to tell the mesenchyme cells directly beneath it to continue making Fgf10
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TLS Online TPP Program

#Question id: 3491

#Unit 11. Evolution and Behavior

Some dogs love attention, and learns that if he barks, he gets attention. Which of the following might you use to describe this behavior?

A) The dog is displaying an instinctive fixed action pattern.

B) The dog is trying to protect its territory.

C) The dog has been classically conditioned.

D) The dog's behavior is a result of operant conditioning

E) The dog is displaying controlled by external stimuli

TLS Online TPP Program

#Question id: 3492

#Unit 11. Evolution and Behavior

A mother goat can recognize its own kid by smell, types of animal behavior

A) Operant conditioning

B) Learn behavior

C) Innate behavior

D)  Imprinting

TLS Online TPP Program

#Question id: 3493

#Unit 11. Evolution and Behavior

Which of the following is incorrect?

TLS Online TPP Program

#Question id: 3494

#Unit 11. Evolution and Behavior

Which of the following is a disadvantage of group living for many species?

a. Competition between individuals for resources is increased

b. It can reduce predator success

c. It can reduce reproductive success

d. It increased transmission of parasites and other diseases

TLS Online TPP Program

#Question id: 3495

#Unit 11. Evolution and Behavior

Which one of the following statements is incorrect?

TLS Online TPP Program

#Question id: 3496

#Unit 11. Evolution and Behavior

Which of following favor adaptations for polygynous mating in species?

a. Male competition

b. Female competition

c. Male choice

d. Female choice