It is a large natural flow of water travelling along a channel to the sea.
What is a river?
100
It's the person responsible for the studies of a freshwater ecosystem.
What is a limnologist?
100
It is a large area of water surrounded by land.
What is a lake?
100
It is a really large expanse of water. There are only five of this kind on planet Earth.
What is an ocean?
200
It's the height of land above or below sea level.
What is elevation?
200
It is a set of things working together as a mechanism or interconnecting network.
What is a system?
200
It shows the shapes and features of the land. It is drawn from the perspective of someone in an airplane looking straight down on the land.
What is a topographic map?
200
It is a site whose position and elevation above the sea level have been masured very accurately. It is well known as the highest point of a feature of land.
What is the bench mark?
200
It is the land and habitat that surrounds a lake or other body of water.
What is watershed?
300
It gives the interval between the contour lines in a topographic map, which describes the distance between them.
What is scale?
300
It is the habitat defined by the surface of the water.
What is surface habitat?
300
It is the deep water zone of a lake, where no plants grow.
What is the open-water habitat?
300
It is the habitat near the lake shoreline, incluiding the region of land near the edge of the lake and the region of water near the shoreline.
What is the littoral habitat?
300
They show a change in elevation in a map. The connect all of the places in the area that have the same elevation.
What are contour lines?
400
It is the area on a lake that is usually made up of layers of mud.
What is the bottom habitat?
400
Type of animals that eat plants, other animals and insects to survive.
What is an omnivore?
400
Type of animals that only eat plants.
What is an herbivore?
400
Type of animals that only eat other animals.
What is a carnivore?
400
They are the three main components of a food chain.
What are producers, consumers and decomposers?
500
It is one of the components of the photosynthesis process, along with oxygen, carbon dioxide, water and sunlight. It is represented by the chemical formula C6H12C6
What is glucose?
500
It's when the water contains more microscopic material so less light gets to the water's depth and the less photosynthesis takes place.
What is turbidity?
500
What contributes oxygen to the lake? and What contributes carbon dioxide to the lake?
O2 = algae and different plants
CO2 = fish
500
It measures the depth how fat the sunlight penetrates lake's water thus making photosynthesis possible.
What is Secchi disc?
500
It is the process where plants produce their own food using the energy from the sun.