The Salalizard is a fictional vertebrate that lives in the forest and appears to be half salamander and half lizard. You are not allowed to collect any wild animals, so you decide to take a video of it to show your colleagues. What behavior best
distinguishes the Salalizard as either a salamander (amphibian) or a lizard (reptile)?
A) what the animal eats
B) if it lives in trees
C) where it reproduces
D) whether it is active at night
Answer: C
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Mycorrhizae are a true symbiotic relationship between plants and fungi. What is the primary benefit to the plants?
a. protection from animals that would eat the plant b. additional moisture which protects plants from drought c. access to phosphorus that hyphae can obtain but plant roots cannot d. loosening and aerating the soil
Francesco Redi performed the following experiment. He had two different sets of containers with meat in them. One set of containers was covered with a material that let air pass through and the other set was left uncovered. The uncovered containers developed maggots and the covered ones did not. Which one of the following hypotheses could not be tested by this experiment?
A. Maggots come from within the meat. B. Maggots are introduced to the meat from some outside source. C. Only living things can give rise to other living things. D. Air is necessary for living things to be produced.
A sheepherder has a large black and necrotic lesion (eschar) under his chin that has grown quickly in size. There is no pus, but the patient complains of painful and swollen glands. A gram-positive bacillus is isolated from the lesion. Which of the following features of the responsible agent is NOT a virulent Factor?
A. capsule B. endotoxin C. Lethal toxins D. Spore formation
A farmer decides to go into the business of raising trout for tourists who enjoy fishing. She builds six trout ponds and stocks each of them with trout from genetically identical stock. Her friends tell her that because she started each pond with just a
few trout, she has created a bottleneck effect and her trout populations are likely to become genetically different rapidly. Which of the following statements about her trout is likely true? A) Because they are all genetically alike, they will all remain alike even though the ponds are different. B) Because each population started off genetically identical, any mutation that occurs in one pond will also occur in the others. C) Because the ponds are different and the populations are likely to experience different mutations, the populations will likely diverge evolutionarily, but only over many generations. D) The increase in genetic diversity caused by sexual reproduction will promote evolutionary divergence over time.