B1 T1

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  • Created by: glellis30
  • Created on: 28-04-16 17:51
Oviparous
Animals that lay eggs , the embryo does not develop within the mother's body.
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Poikilotherms
Animals that cannot regulate their body temperature.
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Homeotherms
Animals that regulate their body temperature.
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Fungi
Organisms which can break down complex organic substances (some are pathogens and harm the body).
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Heterotrophically
Organisms find food from their enviroment.
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Autotrophically
Organisms make their own food. e.g. plants do photosynthesis.
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Saprophytically
Feeding from dead organic matter.
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Chordata
A Phylum of animals that possess a rod supporting the body.
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Species
A group of individuals able to mate and reproduce offspring.
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Family
A group consisting several genera.
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Hybrids
The offspring of parents which are not the same species.
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Binomial System
The method of giving am organism a 2-part name consisting of genus and species.
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Biodiversity
The range of different living organisms in a habitat.
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Variation
The difference in characteristics between species and the range of a characteristics individuals of the same species.
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Continuous Variation
A characteristic that varies continuously shows a spread of values between extreme values of the characteristic.
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Discontinuous Variation
A characteristic that only has a limited number of values.
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Ring Species
A connected geographical sequence of neighbouring species that can interbreed together.
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Hydrothermal Vents
Cracks in the seabed where water is heated as a result of volcanic activity.
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Evolution
The process whereby organisms change through time.
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Acquired Characteristics
Non-hereditary or environmental changes in an organisms.
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Mutation
A permanent change in the structure of a gene - the DNA within cells is altered.
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Genes
A section of DNA that codes for a particular characteristic, by controlling the production of a particular protein or part of a protein by cells.
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Chromosomes
Thread - like structures in the cell's nucleus that carry genetic information - each chromosome consists of DNA wound round a core of protein.
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DNA
A molecule found in all body cells in the nucleus; its sequence determines how our bodies are made and each have a unique genetic code.
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Locus
The position of an allele on it's chromosome.
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Homozygous
Refers to the pair of alleles of a gene where the alleles are the same.
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Heterozygous
Refers to the pair of alleles of a gene where the alleles are different.
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Dominant
Refers to an allele which controls the development of a characteristic, even if it is present on only one of the chromosomes of a pair of chromosomes.
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Recessive
Refers to an allele which controls the development of a characteristics only if its dominant partner allele is not present.
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Phenotype
All of the characteristics of an organism.
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Genotype
All genes of an organism.
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Monohybrid
Refers to the inheritance of a single characteristic.
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Gametes
The male and female sex cells (sex cells).
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Genetic Disorders
An inherited disease that arises as the result of a mutated gene, passed on from the parents to the children.
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Cystic Fibrosis
A recessive genetic disorder in which thick sticky mucus is produced, affecting the lungs and digestive tract in particular.
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Sickle Cell Diease
A recessive genetic disorder in which the shape of haemoglobin in which the shape haemoglobin molecules are altered, so they absorb less oxygen.
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Haemoglobin
The chemical found in red blood cells which carried oxygen.
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Sickle Cell Crisis
The periods of pain experienced when sickle red blood cells clump together, restricting blood flow to the organs of the body.
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Other cards in this set

Card 2

Front

Animals that cannot regulate their body temperature.

Back

Poikilotherms

Card 3

Front

Animals that regulate their body temperature.

Back

Preview of the back of card 3

Card 4

Front

Organisms which can break down complex organic substances (some are pathogens and harm the body).

Back

Preview of the back of card 4

Card 5

Front

Organisms find food from their enviroment.

Back

Preview of the back of card 5
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