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The Diversity of Life Ch 7
Interactive Science Series
29
Science
7th Grade
04/16/2018

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Cards

Term
larva
Definition
an immature from of an animal that looks very different from the adult
Term
polyp
Definition
a cnidarian body form that looks like a vase
Term
Medusa
Definition
a cnidarian body form that looks like an open umbrella-ella-ella
Term
external fertilization
Definition
occurs outside of the female's body
Term
internal fertilization
Definition
occurs inside the female's body
Term
gestation period
Definition
the length of time between fertilization and birth
Term
amniotic eggs
Definition
the eggs of land vertebrates, such as reptiles and birds
Term
placenta
Definition
an organ that allows the exchange of materials between embryo and the mother
Term
metamorphosis
Definition
major body changes
Term
complete metamorphosis
Definition
a type of metamorphosis with 4 distinct stages: eff, larva, pupa, and adult
Term
pupa
Definition
a stage in which an insect is covered in a protective covering while making major body changes
Term
incomplete metamorphosis
Definition
a type of metamorphosis in which there is no distinct larval stage
Term
nymph
Definition
a stage in which an insect looks like an adult without wings
Term
tadpole
Definition
the larva of a frog
Term
behavior
Definition
all the actions an animal performs
Term
instinct
Definition
a response to a stimulus that is inborn and that an animal performs correctly the first time
Term
learning
Definition
the process that leads to changes in behavior based on practice or experience
Term
imprinting
Definition
a learned behavior in which a young animal learns from what it sees, especially right around birth
Term
conditioning
Definition
learning that a stimulus or response leads to a good or bad outcome
Term
trial-and-error learning
Definition
an animal learns to do a behavior through repeated practice
Term
insight learning
Definition
when you solve a problem or learn how to do something new by applying what you know
Term
pheromone
Definition
a chemical released by one animal that affects the behavior of another animal of the same species
Term
aggression
Definition
a threatening behavior that one animal uses to gain control over another
Term
territory
Definition
an area that is occupied and defended by an animal or group of animals
Term
circadian rhythms
Definition
behavior cycles that occur over a period of approximately one day
Term
hibernation
Definition
a state of greatly reduced body activity that occurs during the winter when food is scarse
Term
migration
Definition
the regular, seasonal journey of an animal from one place to another and back again
Term
courtship behavior
Definition
activities that prepare the male and the female of the same species for mating
Term
society
Definition
a group of closely related animals of the same species that work together in a highly organized way
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