1) The place where an organism lives a) Habitat b) Population c) Community d) Ecosystem 2) All the organisms of one species in a habitat a) Habitat b) Population c) Community d) Ecosystem 3) The interaction of a community of organisms with the nonliving parts of the environment a) Habitat b) Population c) Community d) Ecosystem 4) All the populations of different species in a habitat a) Habitat b) Population c) Community d) Ecosystem 5) Which of these do plants not compete for? a) Light b) Water c) Space d) Food e) Mineral Ions 6) Which of these is not an abiotic factor? a) Light intensity b) Temperature c) Carbon dioxide level d) pH e) Disease f) Moisture level 7) Which of these is not a biotic factor? a) Mineral content b) Competition c) New predators d) Availability of food e) New pathogens 8) At the start of a food chain _______ make their own food using energy from the sun. a) Producers b) Primary consumers c) Secondary consumers d) Predators e) Herbivores 9) In food chains herbivores could also be called ___________ _____________. a) Photosynthetic producers b) Green plants c) Primary consumers d) Secondary consumers e) Top predators 10) What is the name of the square grid used to investigate how plants are distributed in a habitat? a) Biotic b) Quadrilateral c) Transect d) Quadrat e) Abiotic f) Graph 11) What is the name of the line used to investigate distribution along a habitat? a) transect b) transpire c) transform d) transist e) transoup f) transort 12) What word is missing from these water cycle key words? Precipitation, Evaporation, Condensation a) Percentage b) Diversity c) Molecule d) Periodic e) Transpiration f) Photosynthesis 13) Which of these is a process by which carbon leaves the atmosphere? a) Burning plants b) Burning fossil fuels c) Photosynthesis d) Decay e) Animal Respiration f) Plant Respiration 14) Glucose + Oxygen => Carbon dioxide + _________ a) Ethane b) Water c) Methane d) Carbon monoxide e) Ethanol f) Lactic acid 15) _____________ is the variety of different species in an ecosystem. a) Population b) Ecosystem c) Biodiversity d) Community e) Environment f) Domain 16) Which of these is not a greenhouse gas? a) carbon dioxide b) sulfur dioxide c) methane 17) Less CO2 taken in, more CO2 released, less biodiversity are impacts of... a) deforestation b) migration c) carbon cycle d) sulfur e) potable water 18) Which of these would not improve biodiversity? a) Introducing new tertiary consumers b) Breeding programmes c) Habitat protection d) Reintroducing hedgerows e) Recycling f) Government projects

B2 Topic 7 Ecology

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