Human Impact
How do you know if your pond is healthy?
clear water, active fish, lots of plants and a stable balanced water quality.
What is a limiting factor?
It is anything that constrains a population size and slows or stop it from growing.
Rock Snot
native algae that produces thick mats on bottoms of bodies of water. So is not an invasive species.
Do turtle have lungs?
Yes
What are the common snapping turtle names?
Chelydra Serpentina and chelydridae
How do you know if your pond is unhealthy?
Dirty water, dead fish, odors, lots of algae or weed growth.
What makes a species invasive?
A species that is non-native to an area that comes in and out-competes the local species.
Cane toads
were introduced to control the beetles
Turtles are
cold blooded ecothermic
What are some things that help identify the Eastern Painted Turtle?
Head has streaks of yellow and neck.
size 4 1/2 to 7 inches Etc.
Why is algae blocking sunlight a problem for a pond?
It is a problem because it prevents submerged plants from performing photosynthesis which reduces the amount of oxygen produced in the pond.
What can invasive species do to an ecosystem it joins?
ex: Compete with native species for food
Zebra mussels
The consume large amounts of the phytoplankton and disrupts the ecosystems balance.
How do turtles breath?
through lungs unless they are in hibernation then it is through there local.
What do Eastern Painted turtles eat?
Insects, snails and vegetation.
Name some ways human can effect ponds?
examples: overfishing, water pollution, deforestation.
How do invasive species travel?
ex: firewood, storms, hiking boots.
Spongy moth
Adapts to non native ecosystem and eats the native things.
Where do turtles lay eggs?
On land and they leave them to hatch.
What is dissolved oxygen?
The amount of gaseous oxygen in a body of water that is not chemically bonded to other elements.
What is biological control?
It is when one living thing is introduced to control another.
Devil head
form dense mats to black the sun
What is the upper shell and belly called and the connecting peice?
Carapace-Upper shell
Plastron- lower belly
Bridge- connects the two