Q: What are the largest phylum in the animal kingdom? Choices: - crustaceans - cephalopods - mammals - arthropods A:
arthropods

(Question)
Q: What is the key to the demographic transition? Choices: - higher birth rates - higher expatriation - higher death rates - reduced family size A:
(Answer)
reduced family size

Ques: Q: What do some animals use to get a feel for their environment? Choices: - neuroreceptors - nociceptors - fibroblasts - mechanoreceptors A:
Ans: mechanoreceptors

(Q).
Q: The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this? Choices: - pupil - cornea - sclera - retina A:
(A).
retina

Ques:Q: What describes a close and long-term interaction between different species? Choices: - endosymbiosis - dermatitis - parasitic - symbiosis A:

Ans:symbiosis

Ques: Q: At any specific time, the rate at which a reaction is proceeding is known as its what? Choices: - spontaneous rate - immediate rate - emitted rate - instantaneous rate A:
Ans:
instantaneous rate