Which of the following lists the correct order of tracheal system structures, from most external to most
internal?
a. spiracles, tracheae, tracheal branches, tracheoles
b. tracheoles, tracheae, tracheal branches, spiracles
c. tracheoles, tracheal branches, tracheae, spiracles
d. spiracles, tracheal branches, tracheae, tracheoles
e. spiracles, tracheoles, tracheae, tracheal branches
A
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Which are examples of advantages that different species might have due to living in a group? (Check all that apply.)
_____ Wolves in a pack can take down larger prey than those alone. _____ Zebras in a herd have added protection from predators. _____ Because of their social nature, diseases like rabies can spread quickly through a bat colony. _____ A colony of termites can build mounds over 20 feet high, with elaborate tunnels and ventilation systems. _____ A flamingo in a large flock may have trouble competing for food. Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about the advantages of group living? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In a cross between two tall plants with yellow seeds that are heterozygous on both traits (TtYy), suppose Mendel discovered that a small number of offspring (5-6%) from these parents were short and green (ttyy). What does this say about the T and Y genes?
a. One is dominant over the other. b. They sort independently of each other. c. They are pleiotropic. d. They produce polygenic effects. e. They are codominant alleles of each other.
The Kingdom Protista is populated by multi-celled eukaryotic organisms that lack tissue specialization.
A) True B) False
The oxygen-carrying component in red blood cells is
A) hemoglobin. B) bicarbonate ions. C) iron atoms freely floating in the blood plasma. D) the cell membrane.