What are gills?
respiratory organs of fish and other water creatures. Gills allow fish to breathe under water.
What are the 3 main types of water birds?
Swimmers, Divers, Waders
What is the layer of Earth between the crust and core?
Mantle
What is the difference between a habitat and an ecosystem?
A habitat is the physical place where plants and animals live, an ecosystem is more about the ways plants and animals in a habitat interact with each other
Define meander
Meander (verb): following a route that is not straight or direct
What is the source of a river?
the place a river comes from or starts at
What is a waterfall?
a place where water flows over the edge of a cliff, rock, or other steep place onto another level below
What is a stream?
water that flows naturally along a fixed route formed by a channel cut into rock or ground; like a small river
What are the names of the starting and ending points of a river?
Source and Mouth
What is a sea?
a large area of saltwater, smaller than an ocean, usually located where the land and the ocean meet
What is a habitat?
the place in which an animal normally lives and grows. It can be a small micro-habitat like a leaf, or large like an ocean
A flamingo is what type of water bird?
Wader
A penguin is what type of water bird?
Diver
What is a tributary?
a river or stream that flows into a larger river
Name at least 2 features of a river
Source, Tributary, Meander, Confluence, Oxbow Lake, Levee, Delta, Channel, Estuary, Mouth
Define suited
Suited (adj): right for a particular purpose or situation; having all the qualities that are needed to do something
What is soil?
the material on the surface of the ground in which plants grow
What is the largest habitat on Earth?
Ocean
A mallard duck is what type of water bird?
Swimmer
What is a vertebrate?
an animal with a backbone