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| makes new organisms to replace those lost in the species |
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| reproduction involving one parent, produces genetically identical offspring |
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| a type of fungus that reproduces asexually by budding |
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| a genetically identical organism produced by asexual reproduction |
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| reproduction involving two parents & leads to variety in the offspring |
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| specialised sex cells involved in sexual reproduction |
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| Times greater calculation |
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Definition
| one value is compared to another when you divide the bigger number by the smaller number |
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Definition
| the tube that carries sperm to the penis |
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| the tube that sperm travel along to exit the male’s body through the penis |
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| becomes stiff to allow it to be placed inside the vagina to deposit the sperm |
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| connects the ovary to the uterus and is the site of fertilisation |
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Definition
| where a foetus develops, also called the womb |
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Definition
| where the sperm are deposited by the penis, also called the birth canal |
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Definition
| the fusion of the nuclei of the sperm and the egg |
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| the ball of unspecialised cells formed when the zygote divides which implants into the uterus wall and develops into a foetus |
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| the unborn baby that develops from an embryo |
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| fluid filled bag that acts like a shock absorber to protect the foetus (sometimes called the amnion) |
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| the liquid in the amniotic sac |
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| the organ that attaches to the uterus wall and connects to the foetus via the umbilical cord. Allows the mother's blood and foetus’ blood to come close enough to exchange materials |
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Definition
| a collection of blood vessels that connects the foetus to the placenta |
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| Thalidomide, alcohol, smoking |
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Definition
| three things that can harm the foetus |
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Definition
| when the sperm and egg meet inside the female’s body |
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Definition
| when the sperm and egg meet outside the female’s body |
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| When an investigation is improved by keeping all variables the same other than the independent variable. A test that is fair. |
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Definition
| improved by repeating an experiment |
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| Survival rate (%) calculation |
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Definition
| Calculate - offspring survived ÷ total offspring produced x100 |
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| animal behaviours which increase the likelihood of survival of a species |
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| a long journey taken by some animals to find better living conditions |
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| when some animals take a long sleep to conserve energy |
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| e.g wolves hunting in packs, penguins huddling together |
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Definition
| add up the values in the list, divide the total by the number of values added up. |
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| behaviour that is inherited in genetic information |
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| behaviour that is developed through teaching, observation or experience |
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| Behaviour that allows bees to communicate information about food sources |
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| allows animals to avoid wasting energy responding to harmless stimuli |
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