5309947
Descripción
Fichas por Princess Terin, actualizado hace más de 1 año
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Creado por Princess Terin
hace más de 8 años
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| Pregunta | Respuesta |
| What are the features of the Animalia kingdom? | Multicellular No cell walls No chlorophyll Heterotropic |
| What are the features of the Plantae kingdom? | Multicellular Has cell walls Has chlorophyll Autotrophic |
| What are the features of the Fungi kingdom? | Multicellular Has cell walls No chlorophyll Saprophytic |
| What are the features of the Protoctista kingdom? | Unicellular Has a nucleus |
| What are the features of the Prokaryote kingdom? | Unicellular, doesn't have a nucleus |
| Give two reasons why scientists classify viruses as non-living? | They cannot reproduce without a host, They cannot move, They are not made of cells, They don't have a cell membrane. |
| Define the term 'species' | A group of similar organisms that can reproduce to give fertile offspring |
| What are two limitations to the definition of a species? | Some organisms reproduce asexually and some hybrids are fertile |
| The phylum chordata all have what feature in common? | A backbone/ supporting rod |
| What are the three reasons that makes classification difficult? | Variation, Ring species, Hybridisation |
| What are the three different ways of absorbing oxygen found in vertebrates? | Lungs, Gills, Skin |
| What do oviparous animals do? | lay eggs |
| What do homeotherms do? | Maintain their internal body temperature |
| What is a hybrid? | The offspring of two plants or animals of different species or varieties, such as a zorse |
| 'Differences between individuals' is better known as....? | Variation |
| What is the binomial name for human beings? | Homo Sapien |
| Name two vertebrate groups that have lungs? | Mammals, Birds |
| What are the two types of variation and give an example of each? | Continuous e.g. height, weight... Discontinuous e.g. eye color, blood group... |
| Draw a normal distribution graph. | Enter text here... |
| What are the two causes of variation? | Genes & Enviroment |
| What is a mutation? | A change in an organisms DNA |
| State the 6 stage of natural selection | Variation, Over production, Struggle for existence, Survival & reproduction, Advantageous characteristics inherited, Gradual change in the population |
| Give two reasons why scientists classify viruses as non-living. | They: cannot reproduce without a host, cannot move, are not made of cells, don't have a cell membrane |
| Define the term species | A group of similar organisms that can reproduce to give fertile offspring |
| What are the two limitations to the definition 'species'/ | Some organisms reproduce asexually and some hybrids are fertile |
| The Phylum Chordata all have what feature in common? | A backbone/ supporting rod |
| What are three reasons that make classification difficult? | Variation, Ring species, Hybridisation |
| What are the three different ways of absorbing oxygen found in vertebrates? | Gills, Lungs, Skin |
| What do oviparous animals do? | Lay eggs |
| What do homeotherms do? | Maintain their internal body temperature |
| What is a hybrid? | The offspring of two plants or animals of different species or variation e.g. a Mule |
| 'Differences between individuals. is better known as...? | Variation |
| What is the binomial name for human beings? | Homo Sapien |
| Name two vertebrate groups that have lungs | Mammals, Birds |
| What are the two types of variation and give an example of each | Continuous e.g. height, weight... Discontinuous e.g. eye colour, blood group... |
| Draw a normal distribution curve | |
| What are the two causes of variation? | Genes & Enviroment |
| What is a mutation? | A change in an organisms DNA |
| State the 6 stages of natural selection | Variation, Overproduction, Struggle for existence, Survival, Advantageous characteristics inherited, Gradual change |
| Describe two adaptations of the polar bear | |
| What is a gene? | A section of DNA/ a chromosome that codes for a particular characteristic |
| Define the term allele | Different versions of the same gene |
| What is the Genotype of a person who is heterozygous? | Bb #any letter can be used |
| What is the genotype of a person who is homozygous recessive? | bb #any letter can be used |
| What does the term phenotype mean? | The outward characteristics caused by genes |
| Give 2 symptoms of Sickle Cell Anemia | Painful joints, Fatigue, Shortness of breath, Irregular heartbeat, Jaundice |
| Give 2 symptoms of Cystic Fibrosis | Persistent cough, Recurrent chest infections, Mucus in the lungs, Infertility, Underweight, Not producing digestive enzymes. |
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