Investigating an ecosystem Flashcards
(7 cards)
Quadrant
It can be any fixed shape that encloses a known measured area. It can be either placed on the ground or on a tree trunk to observe lichens and moss living there.
Pitfall trap
It is used to collect small animals that move over the surface of the ground. It is made by digging a hole in the ground and placing a yogurt pot containing a few small leaves inside. 4 pebbles are arranged around the hole, and a piece of wood or plastic is placed on top to keep rain out of the pot. Animals may move between the pebbles and fall in.
Sweep net
It is used to collect small animals from the leaves of herbacous plants, especially grasses. It should be held with the lower edge slightly forward. mThe net is then moved in a semicircle, keeping the lower edge slightly forward so that it scoops the small animals.
Pooter
it is a bottle for collecting small insects and other invertebrates, having one tube through which they are sucked into the bottle and another, protected by muslin or gauze, which is sucked.
Drag net
it used to collect animals from the bottom of the pond. As it is dragged along, it scoops up animals living on the surface of the mud.
Pond-dipping net
The pond-dipping net is used to sweep through vegetation around the edge of the pond to collect animals living on the leaves and stems.
Plankton net
The pond-dipping net is used to sweep through vegetation around the edge of the pond to collect animals living on the leaves and stems.