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th 5 6 Weeks Review Which of the following is a living factor in the environment? A: animals B: air C: sunlight D: soil Correct Answer: A- Animals What is made up of the populations in an area? A: niches B: habitats C: community D: ecosystem http://www.3dfoilart.com/images/serengeti.jpg Correct Answer: C- Community What does the number of individuals in a population that occupies an area of a specific size describe? A: clumping B: size C: spacing D: density www.westhouston.org/coh_demographics.htm Correct Answer: D- Density Which of the following animals is an example of a herbivore? A: wolf B: moss C: tree D: rabbit Correct Answer: D- Rabbit What term best describes a symbiotic relationship in which one species is helped and the other is harmed? A: mutualism B: parasitism C: commensalisms D: consumerism www.brilliant-creations.com/parasite.htm Correct Answer: B- parasitism Which of the following conditions tends to increase the size of a population? A: births exceed deaths B: population size exceeds the carrying capacity C: movements out of an area exceed movements into the area D: Severe drought Correct Answer: A- births exceeds deaths Which of the following is most likely to be a limiting factor in a population of fish living in the shallow water of a large lake? A: sunlight B: water C: food D: soil http://www.fhwa.dot.gov/environment/ecosystems/or1sam.jpg Correct Answer: C- food Which of these organisms is a producer? A: mole B: owl C: whale D: oak tree student.lakeareatech.edu/colclazj/intern/ Correct Answer: D- oak tree Which pairs of words is incorrect? A: Black bear-carnivore B: Grasshopper-herbivore C: Pig-omnivore D: Lion-carnivore http://www.windowsintowonderland.org/bears/images/grizzly/eatelk.jpg Correct Answer: A- Black Bear is a omnivore What are tundra and desert examples of? A: ecosystem B: biomes C: habitats D: communities Correct Answer: B - Biomes What is a hot, dry biome called? A: desert B: tundra C: coral reef D: grassland Correct Answer: A - dessert Where would organisms that are adapted to live in freshwater and salt water be found? A: lake B: estuary C: open ocean D: intertidal zone Correct Answer: B - estuary Which biome contains the largest number of species? A: taiga B: temperate decorous forest C: tropical rain forest D: grassland Correct forest Answer: C – tropical rain http://en.wikipedia.org/wiki/Chameleon Which biome contains mostly frozen soil called permafrost? A: taiga B: temperate rain forest C: tundra D: temperate deciduous forest Correct Answer: C - Tundra A new island is formed from a volcanic eruption. Which species probably would be the first to grow and survive? A: oak trees B: lichens C: grasses D: ferns http://en.wikipedia.org/wiki/Lichens Correct Answer: B - Lichens What would the changes in communities that take place on a recently formed volcanic island best be described as? A: primary succession B: secondary succession C: tertiary D: magma Correct Answer: A – Primary Succession What is the stable stage of succession? A: pioneer species B: climax community C: limiting factors D: permafrost http://en.wikipedia.org/wiki/Climax_community Correct Answer: B – Climax Community Which of the following aquatic ecosystems would have the lowest salinity? A: estuaries B: rivers C: coral reef D: open oceans http://en.wikipedia.org/wiki/Rivers Correct Answer: B - rivers Which ecosystem would experience the most drastic changes in a 24-hour period? A: open ocean B: intertidal zone C: lake D: coral reef http://en.wikipedia.org/wiki/Intertidal_zone Correct Answer: B – intertidal zone A farmer noticed a large quantity of aphids in his garden. The next day he purchased a large quantity of lady bugs and released them into his garden. What is the likely hypothesis he was trying to test? Answer is: Predator - Prey Give at least one reason why many animals that live in the desert are able to survive without directly drinking water. http://en.wikipedia.org/wiki/Kangaroo_rat Answer is… Desert animals get water from the plants they eat.