In autopolyploidy, a diploid individual may produce _____ offspring which are reproductively isolated from the parents' species
1.haploid
2.tetraploid
3.hybrid
4.allopatric
5.parapatric
2
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Candle jars are usually used to
A. store candles. B. provide an atmosphere with CO2. C. stimulate the growth of obligate anaerobes. D. prevent the growth of obligate aerobes. E. provide an atmosphere with CO2 AND stimulate the growth of obligate anaerobes.
Which of the following describes the difference between fungal endomycorrhizae and fungal endophytes?
A. Endomycorrhizae live inside fungi and provide them with nutrients and water, and endophytes live inside plants, often parasitizing them and slowly breaking down their structure. B. Endomycorrhizae form arbuscules that facilitate exchanges of water and food between the fungus and plant root cells, whereas endophytes invade plant cells and provide the plant with protective antibiotics and toxins. C. Endomycorrhizae are beneficial to its host plant but endophytes harm the host plant. D. Endomycorrhizae form arbuscules on plant roots that produce toxins killing parasitic nematodes, whereas endophytes assist in the transport of water through the plant. E. None of these are correct.
The external gills of an adult axolotl are not as efficient as fish gills because___________.
A. axolotl gills are covered by thick layers of cells B. axolotl gills are not highly branched C. blood flows though the axolotl gills more slowly than through fish gills D. axolotls are slow swimmers and all fish swim fast to ventilate their gills E. water flows over the axolotl gills at many different angles 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 axolotl gills? 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? Reflect 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?
____ raises miscarriage risks by 2-10% and is rarely performed
a. Conventional ultrasound b. Fetoscopy c. 4D ultrasound d. Amniocentesis e. CVS