Gametophytes produce the sperm & egg cells that are needed for this, or fertilized egg, to form & develop into a new sporophyte
What is zygote?
Male cones hold pollen, whereas the female cone has this, the structure holding the egg
What is ovule?
The behavior patterns related to how animals mate. They vary from species to species
What are mating systems?
The most colorful parts of a flower
What are petals?
Gymnosperms have these kinds of leaves
What are needles?
Daily Double
The way an organism reacts to changes in its internal conditions or external environment
Daily Double
What is behavior?
The flower is what develops this- the ripened ovary & other structures of an angiosperm enclosing 1 or more seeds
What is the fruit?
A chemical released by 1 animal that affects the behavior of another animal of the same species
What is a pheromone?
The female reproductive parts of a flower
What are pistils?
When animals increase their chances of surviving & reproducing when they live & work together
What is cooperative behavior?
The process of transferring pollen from male reproductive structures to female reproductive structures in plants
What is pollination?
Occurs when the embryo sprouts out of the seed
What is germination?
Daily Double
The regular, seasonal journey of an animal from 1 place to another & back again
Daily Double
What is migration?
The hollow female reproductive structure at the base of a flower
What is the ovary?
All angiosperms will produce these
What are flowers & fruits?
A response to a stimulus that is inborn & that an animal performs correctly the first time
What is instinct?
The dominant way that plants reproduce
What is sexual reproduction?
Goal of most animal behaviors
What is survive or reproduce?
The small, leaflike parts of a flower
What are sepals?
Why animals might migrate
What is food, a more comfortable climate, or to gather with others for mating
The reproductive structures of gymnosperms
What are cones?
This kind of reproduction only requires 1 parent plant
What is asexual reproduction?
Animals that only mate with 1 other organism for a period of time, which can range from a season to their entire lives
What is monogamous?
This is produced in the anther
What is pollen?
The male reproductive parts of a flower
What are the stamens?