WorksheetsEcology
Total questions: 15
Worksheet time: 8mins
High light levels are needed for plants to carry out which process?
(a)
We call competition between members of the same species (a) competition.
New predators moving into an area can quickly wipe out existing species because the existing species has no (a) against the new predator
Why does stronger wind increase water loss from plants?
They transpire faster
They absorb water faster
They absorb glucose faster
The water condenses faster
A student measured the width of the leaves on a plant growing in direct sunlight in an open field and in a woodland. The result are shown in the table. Calculate the difference in averages between the two sites. (Answer to the nearest whole number)
(a)
Leaves on a beach tree were sampled and the mean width was found to be 32mm. Calculate the top leaf area available to absorb sunlight. (Assume the leaves are circular. Area of a circle =πr²)
(a)
Leaves on a beach tree were sampled and the mean width was found to be 32mm.
Leaves absorb sunlight both through their upper and lower surfaces but the lower surface is 50% as effective as the upper surface. Calculate the overall effective surface area for absorption of sunlight. (Assume the leaves are circular. Area of a circle =πr²)
(a)
