Unit 3 Reproduction and Growth

sexual reproduction

A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents

asexual reproduction

A reproductive process that involves only one parent and produces offspring that are identical to the parent.

codominant

both alleles will appear in the trait

incomplete dominance

a blending of the two traits appears

photoperiodism

A plant's response to seasonal changes in length of night and day

dormancy

A period when an organism's growth or activity stops

wind and animals

two ways seeds can be spread

pollen, ovules, sticky substances on the plant

ways gymnosperms can increase their chances of fertilization

instict

something you do automatically,without thinking

sends messages to potential mates

what is an advantange of pheromone communication

animals know it's ocupied to make sure there is enough food

why do animals defend a specific territory

mitosis

produce daughter cells that are genetically identical to the parent cell

meiosis

produce cells that are genetically different from the parent cell

amniotic

an egg providing nutrients is an example of which embryo development, amniotic or placental

amniotic

being covered with a membrane is an example of which embyro development, amniotic or placental?

placental

the placenta providing nutrients is an example of which embyro development, amniotic or placental

placental

developing inside a mother's body is an example of which embyro development, amniotic or placental