Q2. (a)
Alex poured some pond water into three beakers. She then put waterweed into
each beaker. She put the beakers in different places.
black
box
beaker A
in normal daylight
beaker B
in the dark
beaker
in bright light
In which beaker did the waterweed grow the best?

Which of the following is the most likely outcome of global warming

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

The smallest parts of these that retain their original properties are called