GCSE Biology (B2) Flashcards on B2, created by Anna Hollywood on 11/20/2013.
|
Created by Anna Hollywood
over 10 years ago
|
|
What is the acrostic for remembering the classification order?
What is the order of classification?
What is the difference between an artificial system and a natural system?
What has help scientists determine how closely related two animals are?
What is a species?
What is the binomial system?
Why is the archaeopteryx difficult to class into a group?
Why can't bacteria be classed as a species?
Why can't a mule (cross between donkey and horse) be classed as a species?
Why can't you tell if some animals are closely related and have a common ancestor?
Why are dolphins and fish similar and why are they different?
Why are dolphins and bats similar and why are they different?
What do pyramids of biomass show?
Why may pyramids and of biomass look different to pyramids of numbers?
Why are pyramids of biomass difficult to construct?
As energy flows along a food chain, what is some energy transferred into (less useful)?
Why is the material lost at each stage of a food chain not wasted?
Why does the animal at the end of the food chain not have much food available to it?
How can efficiency in food chains be calculated?
Is carbon found in a number of living organisms?
Why does carbon need to be recycled?
How is carbon dioxide removed from the air?
What passes carbon along a food chain/web?
What is carbon dioxide released into the air by?
What is carbon dioxide absorbed by and what is it turned into?
How can the carbon in limestone return to the air as carbon dioxide?
Why do plants take in nitrates?
What passes nitrogen compounds along a food web/chain?
How are nitrogen compounds returned to the soil?
What do decomposers do?
What do nitrifying bacteria do?
What do denitrifying bacteria do?
What do nitrogen-fixing bacteria do and where are they found?
What do animals living in the same habitat compete for? What do they compete or if they are in the same species?
What is an ecological niche?
Why are species that live in the same niche more likely to compete?
Define interspecific
Define intraspecific
Why do predator and prey cycles show both ups and downs (3 reasons)?
Why do the predators peak soon after the prey peaks?
Explain a relationship between a parasite and its host
Explain a mutualism relationship
How do legumes on pea plants and nitrogen-fixing bacteria have a mutualistic relationship?
Name 5 adaptations of animals in cold climates
Name 4 adaptations of animals living in hot climates
Name 2 adaptations of animals to cope with dry climates
What are animals called that can survive in hot conditions? What's an example of this?
An example of a specialist
An example of a generalist. Disadvantage and advantage?
Who wrote the theory of natural selection?
Sum up the theory of natural selection
How do (overtime) the changes produced by natural selection result in a new species?
Why is natural selection difficult to study?
Give 2 examples of natural selection
Why did people disagree with Darwin's ideas at first?
Why is Darwin's theory now more widely accepted?
What was Lamarck's theory?
Why has Lamarck's theory been stated as incorrect?
What are the 3 main types of pollution?
What is the rate of growth of the human population called?
Why is the human population growing exponentially?
Where is the greatest population rise happening?
Why do the developed countries have the most pollution?
What does the carbon footprint show?
What do direct methods do?
How do they use indicator species to test for pollution?
What are the advantages of using indicator species?
What is an advantage of using direct methods?
Give 4 reasons as to why people think that conservation is important
When are species at risk of extinction?
What are the 3 important factors to include when trying to conserve a species?
Name 3 things that whale's bodies are used for?
Why do some people object captive breeding with whales?
Why is it hard to police whaling?
What is an alternative to killing whales to find out more about them?
What does sustainable development mean?
2 examples of sustainable development
3 ways we can put sustainable development into practice what will this help achieve?
