4248816
Description
Flashcards by j.comber8834, updated more than 1 year ago
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Created by j.comber8834
over 8 years ago
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| Question | Answer |
| What is classification? | Organising organisms into groups based on characteristics. |
| What are the features of plants? | Chlorophyll, multicellular, cell walls, autotrophs |
| What are the features of Animals? | Heterotrophs, multicellular |
| What are the features of Fungi? | Saphrophytes, , multicellular, cell wall |
| What are the features of protoctista? | Unicellular, nucleus |
| What are the features of Prokaryotes? | Unicellular and no nucleus |
| Define Vertebrate (Chordata) | Has a backbone |
| The problems with classification are... | - Variation - Ring species - Hybrids |
| The binomial name (e.g. Homo sapiens) tells you.... | The Genus and the species |
| Define Variation | Differences between organisms of the same species. |
| Three examples of genetic variation are... | - Eye colour - Hair colour - Blood group |
| Two examples of environmental variation are..... | - Weight - Hair colour |
| Continuous variation is when.... | the individuals in a population vary in a range (e.g. Heights) |
| Discontinuous variation is when.... | Individuals fall into groups (e.g. blood type) |
| The symptoms of Cystic Fibrosis are... | - Breathing difficulties - Lung infections - Malnutrition - Fertility problems |
| The symptoms of Sickle Cell Anaemia are | - Tiredness - Breathlessness - Painful joints and muscles - Fever - Anaemia |
| If you have two of the same allele you are | Homozygous |
| If you have two different alleles you are | Heterozygous |
| The phenotype is the | characteristics you see (e.g. Brown eyes) |
| The genotype is the... | alleles you have (e.g. BB or Bb) |
| Chromosomes are found in the | Nucleus |
| Genes are | Section of chromosome |
| Scientist validate their evidence by doing these three things | 1. Publishing in journals 2. Getting peer reviewed 3. Going to conferences |
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