An autotriploid may arise when three sperm cells are involved in fertilization of a single egg
Indicate whether the statement is true or false
FALSE
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Sea cucumbers and sedentary annelid worms share all but which in common?
a. both can be deposit feeders. b. both have oral structures to collect detritus. c. similar body segmentation. d. digestive tract is a straight tube
The idea that Earth orbits the sun is referred to as ____ of the solar system, because of the scientist who first proposed
it.
a. the Galilean theory b. Newton’s model c. Einstein’s theory d. the Copernican model e. Darwin’s theory
Answer the following statements true (T) or false (F)
1.Lodgepole chipmunks have moved to higher elevations in the last century as temperatures at Yellowstone have climbed. 2.Fish ladders can help fish populations deal with obstructions created by dams. 3.If you were preparing a generalized plan to conserve biodiversity, besides habitat destruction, you would list eutrophication as the primary threat to biodiversity. 4.Overexploitation is harvesting a species faster than it can reproduce. 5.Smog, among other things, indicates change in large-scale chemical cycles.
In 2012, a new kind of fungal meningitis (infection of the nervous system) was discovered. Disease occurred among patients who had received steroid injections in the spine. Discuss whether these were healthcare-associated infections (HAIs): defend your answer. Discuss the route of transmission and what measures public health agencies could take to reduce disease
What will be an ideal response?