Mercury Barometer and aneroid Barometer
Answer:
Seeds disperse in four main ways, by air, water, animals and self propulsion:
Wind dispersal. Wind can carry seeds away from their parent plant.
Water dispersal. A few species use water to disperse their seeds.
Animal dispersal. Animals find fruits a rich source of food and as a result aid seed dispersal.
Explosion.
Explanation:
Answer:
When plant cells are surrounded with salt water, the water inside the plant moves from where there is more water (less salt) through the cell wall and membrane to the outside where there is less water (more salt).
Explanation:
The OLFACTORY AND THE GUSTATORY SYSTEMS have receptors which die out after sometimes because of direct exposure to the environment.
The olfactory system has to do with the perception of smell while the gustatory system has to do with taste stimuli. For these two basic sense organs, their perception rate is always highest when they are newly exposed to a stimuli, after continuous exposure to the stimuli their receptors die out.
