Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
SB9
Pearson GCSE Separate Science Biology
| Question | Answer |
|---|---|
| Which term describes organisms, such as plants or algae, that make their own food? | (producers) |
| Why can plants and algae make their own food? | (cells contain chlorophyll/carry out photosynthesis) |
| Which term describes organisms that get their food by eating other organisms? | (consumers) |
| Which term describes animals that eat plants or algae? | (herbivores/primary consumers) |
| Which term describes animals that kill and eat other animals? | (predators/carnivores/secondary consumers) |
| Name a type of diagram that shows the feeding relationships between organisms. | (food chain/food web) |
| Which scientific term means all the organisms and the environment they interact with? | (ecosystem) |
| Which scientific term means all individuals of the same species living in a particular area? | (population) |
| Which piece of equipment could be used to investigate the number of plants in an area? | (quadrat) |
| Fifty daisy plants have been found in a 10 m2 sample of a 100 m2 lawn. Estimate the total population of daisies in the lawn. | (50 100 / 10 = 500) |
| Which term describes all the animals, plants, other organisms, rain, soil and other factors in a rainforest? | (ecosystem) |
| Which term describes all the organisms living in a lake? | (community) |
| Groups of the same species living in different areas are different … ? | (populations) |
| In a food web, which term describes organisms that feed on plants? | (herbivores/primary consumers) |
| What term describes how one species needs other species in the same habitat for its survival? | (interdependence) |
| In a study of abundance of small plants in a field, samples would be taken using which piece of equipment? | (quadrat) |
| What is the scientific term for the feeding levels in a food chain? | (trophic levels) |
| Which type of diagram displays the biomass in all the different levels of a food chain? | (pyramid of biomass) |
| How is energy transferred from a living organism to the environment in a form that other organisms can use? | (in faeces or urine) |
| Why does the energy in each level of a food chain decrease as you go up the food chain? | (Energy is transferred to the environment by heating.) |
| Which term measures the dry mass of all living tissue in an organism? | (biomass) |
| Name the source of energy that is transferred to plants. | (light/Sun) |
| Which term describes any living part of an ecosystem? | (biotic) |
| Which trophic level forms the bottom level of a pyramid of biomass? | (producers) |
| Which energy transfer is least useful for organisms? | (to environment by heating) |
| How do you calculate the efficiency of energy transfer between trophic levels? | (energy transferred to biomass divided by total energy supplied to organism) |
| Name two resources that plants need from their environment. | (any two from: light,, water/rainfall, space, nutrients, warmth/temperature, carbon dioxide, oxygen/air) |
| Which term describes something that has been added to the environment, causing harm to the organisms? | (pollution/pollutant) |
| Which method can be used to study the distribution of organisms (how they are spread) in a straight line through an ecosystem? | (belt transect) |
| Give two examples of abiotic factors that affect organisms. | (any two from: light, water/rainfall, space, nutrients, warmth/temperature, carbon dioxide/oxygen concentration) |
| Which term describes the non-living factors of an environment, such as temperature, light intensity and water availability? | (abiotic factors) |
| For which process in plants is light intensity an important factor? | (photosynthesis) |
| How could a reduction in light intensity affect primary consumers in a community? | (less food/plant biomass for animals to eat) |
| Which term describes an animal that kills and eats other animals? | (predator/any consumer apart from primary) |
| Which term describes animals that are killed and eaten by other animals? | prey |
| Which term describes environmental harm caused by the build-up of substances? | (pollution) |
| Which fieldwork technique uses a quadrat to find out about the distribution of organisms across a habitat? | (belt transect) |
| During the last 10 000 years, temperatures in the Arctic have risen. Suggest how this may have caused the extinction of woolly mammoths. | (any sensible suggestion, such as: mammoths over-heated, plants on which mammoths fed became extinct) |
| Which term describes the struggle between organisms for a limited resource such as food? | (competition) |
| Which term describes living factors in a community that affect other organisms? | (biotic factors) |
| In the USA, wolves eat elk. Name the biotic factor that affects the elk population. | (predation by wolves) |
| In winter, wolves and coyotes fight to feed on dead elk. Name the biotic factor that affects the populations of wolves and coyotes. | (competition between the two organisms) |
| Wolves usually win against coyotes. As the numbers of wolves increase, what is likely to happen to the number of coyotes? | (fall/reduce/decrease) |
| Elk and beaver eat willow trees. What might happen to beaver numbers as wolf numbers increase? | (increase/rise) |
| In a predator–prey cycle, what happens to the number of predators if prey numbers increase? | (increase/rise) |
| In a predator–prey cycle, what happens to the number of prey if predator numbers increase? | (fall/reduce/decrease) |
| Which term describes any living part of an ecosystem? | (biotic) |
| Which method can be used to study the distribution of organisms (how they are spread) in a straight line through an ecosystem? | (belt transect) |
| Give two examples of abiotic factors that affect organisms. | (any two from: light, water/rainfall, space, nutrients, warmth/temperature, carbon dioxide/oxygen concentration) |
| What does the presence of blackspot fungus on roses indicate about an ecosystem? | (little air pollution) |
| Is predation an abiotic or biotic factor in ecosystems? | (biotic) |
| Which term describes the struggle between organisms for a limited resource? | (competition) |
| Give one example of a limited resource that animals might struggle with each other for. | (any suitable example, such as: mates, nesting space, food, water) |
| Give one example of a limited resource that plants might struggle with each other for | (any suitable example, such as: light, water, nutrients) |
| Which term means the number of different species living in an area? | (biodiversity) |
| Which cycle describes the relationship in population size of a secondary consumer and the animal species that it eats? | (predator–prey cycle) |
| You might expect the number of predators to drop in an area if their preferred pre y species declines in number. Suggest why this drop may not occur. | (the predators start to eat a different prey) |
| The malaria protist causes harm when it infects a human. Which term describes this relationship between the malaria protist and human? | (parasitism) |
| How does the malaria protist benefit from being inside a human? | (anything suitable, such as: gets nutrients, multiplies in number) |
| Which term describes a close relationship between two species that benefits both species? | (mutualism) |
| Which scientific term means a species that has been introduced to a new area? | (non-indigenous/ non-native) |
| What has been added to water that has undergone eutrophication? | (nutrients) |
| What effect does eutrophication have on plants and algae? | (increases rate of growth) |
| Eutrophication of rivers and lakes can decrease biodiversity. What does this mean? | (decrease in number of species) |
| Much of the salmon sold in supermarkets comes from fish grown in pens or pools. What is this method of production called? | (fish farming) |
| How can a species introduced to an area reduce biodiversity? | (by predation/competition) |
| How can fish farming increase the biodiversity of wild fish communities? | (reduced capture of wild fish for humans to eat) |
| Which term means protecting species or their habitat? | (conservation) |
| Which term means planting new trees in a large area where trees were cut down? | (reforestation) |
| How can planting trees increase animal biodiversity?` | (provides more food/habitats) |
| Which scientific term means a species that has been introduced to a new area? | (non-indigenous/non-native) |
| What has been added to water that has undergone eutrophication? | (nutrients) |
| What effect does eutrophication have on plants and algae? | (increases rate of growth) |
| Eutrophication of rivers and lakes can decrease biodiversity. What does this mean? | (decrease in number of species) |
| Much of the salmon sold in supermarkets comes from fish grown in pens or pools. What is this method of production called? | (fish farming) |
| How can a species introduced to an area reduce biodiversity? | (by predation/competition) |
| How can fish farming increase the biodiversity of wild fish communities? | (reduced capture of wild fish for humans to eat) |
| Which term means protecting species or their habitat? | (conservation) |
| Which term means planting new trees in a large area where trees were cut down? | (reforestation) |
| How can planting trees increase animal biodiversity? | (provides more food/habitats) |
| Which term describes the protection of an organism or its habitat? | (conservation) |
| Which term means that all the individuals of a certain species have died out? | (extinct) |
| Which term means that all the individuals of a certain species may die out soon? | (endangered) |
| Protecting a habitat to save one particular species can have other benefits for wildlife. Describe one of those benefits. | (increased biodiversity/protect other species in the habitat) |
| Which term means to plant trees where they once grew but have been cut down? | (reforestation) |
| Describe one benefit to wildlife of planting more trees. | (e.g. more or different resources/increased biodiversity) |
| Which term means being able to provide enough food for everyone to eat? | (food security) |
| Which term means continuing with something at the same level without damaging effects now and in the future? | (sustainability) |
| Which term describes a fuel formed from plants? | (biofuel) |
| How is human population change affecting the amount of food we grow? | increasing food production |
| What is food security? | (enough food for everyone) |
| How does growing large areas of one crop risk food security? | (can all be killed by one pest/pathogen) |
| How does eating more animals for food affect food security? | (needs more land than growing food crops) |
| Give one example of human-induced environmental change. | (climate change/pollution/eutrophication) |
| Give one advantage of using more biofuels. | (e.g. to replace fossil fuels/reduce carbon emissions/reduce problems of climate change) |
| How does growing biofuel crops risk food security? | (less room for growing food crops) |
| In the water cycle, which physical process causes liquid water to change into water vapour? | (evaporation) |
| Which process in plants takes water from the soil and passes it to the air? | (transpiration) |
| In the water cycle, which process causes water droplets to form in clouds from water vapour in the air? | (condensation) |
| Give one reason why water is important to animals. | (part of blood/plasma, dissolved solutes in reactions in cytoplasm, maintaining cell/tissue shape) |
| Name one material, other than water, that cycles through ecosystems. | (any one suitable, e.g. carbon, nitrogen) |
| Which process changes water on the Earth’s surface into water vapour in the air? | (evaporation) |
| Which process describes how plants absorb water from the soil and release it into the air? | (transpiration) |
| Which process causes the formation of clouds of water droplets from water vapour in the air? | (condensation) |
| What is potable water? | (suitable for drinking) |
| Which process produces potable water from salty water? | (desalination/distillation) |
| Name one group of organisms that includes decomposers. | (any suitable, e.g. bacteria, fungi,microorganisms) |
| In what form is carbon in the atmosphere? | (carbon dioxide) |
| Name one carbon compound found in living organisms. | (any suitable carbon-containing compound, e.g. sugars, fats, proteins, DNA) |
| Which process of living organisms removes carbon from the atmosphere? | (photosynthesis) |
| Which term describes an organism that breaks down dead plants or animals? | (decomposer) |
| Which term describes the breaking down of dead plant or animal tissue? | (decay/decomposition) |
| Which process in living organisms adds carbon to the atmosphere? | (respiration) |
| Which process causes carbon to be added to the atmosphere from fossil fuels? | (combustion) |
| Which biotic process removes carbon from the atmosphere? | (photosynthesis) |
| Name two groups of organisms that carry out the biotic process that removes carbon from the atmosphere. | (any two groups that are producers, e.g. plants, algae) |
| Why do fertilisers added to fields affect plant growth? | (contain nutrients) |
| Name one problem caused to the environment by spreading too much fertiliser on fields. | (any suitable, e.g. eutrophication of water, death of fish in rivers) |
| Which name is given to bacteria that convert nitrogen from the air into nitrogen compounds? | (nitrogen-fixing bacteria) |
| Name one alternative to using powdered fertiliser that a farmer could use to improve crop growth. | (any suitable, e.g. spread manure/animal waste, crop rotation) |
| Why do farmers spread fertilisers on their crops? | (adds plant nutrients/minerals/so plants grow well) |
| Which term means growing different crops in the same field in different years? | (crop rotation) |
| Which type of nitrogen compound can plants absorb? | (nitrates) |
| Which part of the environment do plants absorb minerals from? | (soil/soil water) |
| Which organisms break down complex nitrogen compounds such as proteins to simple nitrogen compounds? | (decomposers) |
| Why are the bacteria found in root nodules of legume plants useful to the plant? | (They fix nitrogen gas into nitrates.) |
| Why do we put fresh food in the fridge? | (anything similar to: keep it fresh for longer) |
| A gardener piles dead plant material into a heap in a corner of the garden. What does the dead plant material form after a few months? | (compost) |
| Why does sealing lettuce leaves in a bag of nitrogen make the lettuce stay fresh longer? | (no oxygen for bacteria/decomposers) |
| Why do dried fruits last longer than fresh fruits? | Why do dried fruits last longer than fresh fruits? (bacteria/decomposers need water) |
Created by:
Davenant Foundation School
Popular Biology sets