What is the final stage in ecological succession?
a. Repopulation of an area
b. Early colonization
c. A natural disturbance
d. Climax community
d
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Suppose an Rh- mother gives birth to an Rh- baby. Is there a danger of hemolytic disease of the newborn developing during a subsequent pregnancy? Why or why not?
What will be an ideal response?
Eric and Janelle are carriers of the recessive allele causing Tay-Sachs disease, which is lethal in early childhood. If they have a healthy child, what is the probability that this child would NOT be a carrier of Tay-Sachs disease?
A) 1 B) 2/3 C) 1/2 D) 1/3
In science, if a result is deemed statistically
significant, that means
a. it is a very important result. b. it has a high probability of being incorrect. c. it has a low probability of being skewed by sampling error. d. there is very little variation in the data. e. there is no doubt of the result being true
Which organisms are called extremophiles and flourish mostly in extreme conditions?
A) Protozoans B) Archaea C) Bacteria D) Fungi