Vocabulary
_____ is a hard skeleton on the outside of a body
exoskeleton
Plants have _____ as structures for support
stems
Some animals have adapted to be able to _______ in order to respond to threats from predators
change color
metamorphosis is the process of an animal changing _____ during its life cycle
form
Plants and animals receive______ from their parents that determine how the plant or animal grows.
genes
an ________ is a characteristic that increases an organism's ability to survive and reproduce
adaptation
Many plants have these as a structure for reproduction
flowers
Some animals have different _______ ______ that help them survive in their environment. An example is that birds lay eggs in the spring.
life cycles
_______ metamorphosis is when an animal has 4 changes during its life cycle
complete
over many generations, small ___________ can add up to surprising adaptations.
mutations
______ is when a species no longer exists
extinction
Vascular plants have a ______________ system
circulatory
Some animals have useful physical characteristics that help them survive. The changes in their body parts is called a ___________ adaptation
structural
_________ metamorphosis is when an animal changes 3 times during its life cycle.
incomplete
An adaptation of a coconut is its _______ shell
floating
_____ is the process of an animal changing form during its life cycle
metamorphosis
Plants have ________ in a similar way that animals have lungs or gills
Stomata
If a species does not adapt to changes or move to a new environment they may become ______
extinct
insects and ________ go through the process of metamorphosis
amphibians
_______ is a predictable order of changes in communities after a change occurs.
succession
______ is when an animal sheds its skin
molting
Lungs, Spiracles, and _____ are used to give oxygen
gills
Animals adapt as a species through a process called _________ selection
natural
A _____ is the middle form of an animal that is going through metamorphosis
nymph
A behavioral adaptation that an animal has is also called an ___________
instinct