Lichens make good pioneer species because they can secrete ___ that breaks down rock.
Cold temperatures are known to _____ the northward spread of "killer bees."
Low species diversity is predicted, except around hydrothermal vents where bacteria,
fish, and crabs live at the bottom of the ocean.
Which of the following effects on the climate would you infer would result from an increase in altitude?
The main abiotic distinction between temperate grassland and tropical savanna
(3 words) Guppies that stop producing in alkaline water show an example of ____ ___ _________.
Succession is the establishment of plant or animal communities in an area where no soil initially exists.
Down
Correct order for primary succession of newly formed __________ island is bare rock, lichens, small annual plants, perennial herbs and grasses, shade tolerant trees
(2 words) Deforestation on land allows erosion to wash away topsoil, which smothers reefs and causes dying off of a _______ ________.
(2 words) Imagine you are an ecologist called in to investigate a problem with a lake in a city park. The lake was once
clear but is now eutrophic, with green slime floating on it and a fetid odor. Weigh the evidence and decide which is the best explanation for the problem.
The range of tolerance is used to define an organism's ability to _____.
Profundal zone organism
Neanthes succinea (clam worm #2) reproduces most rapidly in areas at least 20 meters from the river mouth. T OR F
If fire were suppressed on a temperate grassland, what species do you think would increase in number?
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It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
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