The spinal cord allows for reflex actions to be relayed from the stimulus to the brain along the tracts of unmyelinated white matter.
Answer the following statement true (T) or false (F)
False
The spinal cord allows for reflex actions to be relayed from the stimulus to the brain along the tracts of unmyelinated white matter. The grey matter is the unmyelinated matter.
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C3 plants are more susceptible to photorespiration than either C4 or CAM plants. Why do most plants lack the C4
pathway?
a. Rubisco is more efficient in C3 plants when compared to rubisco of C4 and CAM plants. b. Photorespiration is not a serious problem for most plants. c. Most plant species do not have vacuoles in their cells to store the malate generated from CO2 taken in during the night. d. There is an energetic cost to C4 and CAM pathways that only makes them advantageous in very hot and/or arid environments. e. Switching between C3, C4, and CAM photosynthesis is very difficult for most plants.
The female reproductive tract of some Drosophila species blocks sperm of another species from reaching her eggs
This is an example of ____.
a. gametic isolation b. hybrid breakdown c. hybrid inviability d. mechanical isolation e. temporal isolation
An underwater volcano has erupted, and as the lava cools a new island has formed. Which types of animal species are likely to be among the first to colonize the island? (Check all that apply)
_____ annelids _____ bats _____ birds _____ insects _____ snails _____ snakes _____ tapirs _____ tortoises 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 colonizing a new environment? 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 drug trial investigating the effects of a new drug, neither the research scientists nor the participants know if they are in the treatment or the control group. What does this type of study design control for?
A) experimenter bias B) extraneous variables C) placebo effect D) spurious correlations E) non-random assignment