What does an organism need to survive?
food, water, air, avoid predators
A living thing, such as a plant or animal
organism
To use any of the five senses to gather information about something
observe
All the living and nonliving things in an area
environment
to stay alive
survive
What strength did the banded shell snail have?
high
What strength did the yellow snail shell have?
low
when their needs are met
predator
A person who uses science knowledge to design something in order to solve a problem
engineer
How did the banded shell's strength help them survive?
Their shell was hard to crush, allowing them to avoid predators easier
How did the yellow snail shell strength help them survive?
It didn't, their weak shell made it easier for them to be crushed
How can organisms have traits that are adaptive at one time and non-adaptive at another time?
The environment changes
How did the glacier environment change?
It melted
What did the glacier environment turn into when the environment changed?
dark rock
In the glacier environment, which trait was the adaptive trait?
light fur color
In the glacier environment, which trait was the non-adaptive trait?
dark fur color
In the dark rock environment, which trait was the adaptive trait?
dark fur color
In the dark rock environment, which trait was the non-adaptive trait?
light fur color
Which snail population has decreased over the years?
What is an adaptive trait?
A trait that makes it easier for an organism to meet its needs in an environment
What is a non-adaptive trait?
a trait that makes it harder for an organism to meet its needs in an environment
What is biomimicry?
getting engineering ideas from organism's traits
What is a function?
What something can do
What is structure?
the way something is shaped or what it is made out of that makes it good for a specific function