Topic 1
A type of symbiosis where both species benefit?
What is mutualism?
Traits that can be passed down from generation to generation.
What are heritable traits?
A different form of a gene.
What is an allele?
What is extirpation?
Another term for heterozygous.
What is hybrid?
Fish have gills, whales have blowholes is referred to as what type of variation.
What is variation between species?
Four types of asexual reproduction.
What is binary fission, budding, spores, and vegetative reproduction?
This type of trait doesn't show if a dominant trait is present in the genes.
What is recessive trait?
A method to protect organisms in their own ecosystem.
What is in-situ conservation?
Give an example of variation within an species.
Example: Skin colour in humans.
This includes where an organism lives and what it does.
What is an organism's niche?
Produces lots of variation, so more likely to survive and reproduce.
What is sexual reproduction?
A type of cell division with 2 identical daughter cells and occurs in body cells.
What is mitosis?
A process when segments of DNA are inserted into bacterial cell DNA to produce medicine, like insulin.
What is genetic engineering?
The zoo is an example of this conservation strategy.
What is ex-situ conservation?
Occurs when the environment selects the individuals that will survive long enough to reproduce.
What is natural selection?
The order of sexual reproduction.
What is fertilization, zygote, cleavage, embryo?
The physical appearance of a gene.
What is phenotype?
The process of selecting and breeding individuals with desirable traits to produce offspring that have these traits.
What is artificial selection?
Traits that show a wide range of possibilities.
What is continuous variation?
What is competition?
Occurs when pollen from one plant is carried to another plant.
What is cross-pollination?
A type of trait that is neither dominant or recessive.
What is incomplete or codominance?
5 ways that lead to a reduction of biological diversity.
What is overspecialization, environmental events, habitat destruction, over-hunting, and non-native species?
DNA is packed into __ pairs of chromosomes in the human body.
What is 23?