Plants and Photosynthesis Flashcards
Function of the nucleus (1)
Holds all the information of the cell, controls the cells activities
Why do plants make bigger roots when they receive more light (3)
They photosynthesise faster
which meant there was more glucose produced
more carbohydrates is transported to the roots
If a plant is in a dark place, what differences does it have compared to a plant in the light (2)
longer stems
paler leaves
Why is the amount of carbon dioxide in the atmosphere increasing gradually? (1)
the fossil fuels have been burned because we use them as fuel in cars and is now in the atmosphere
Photosynthesis
The way that plants make glucose and oxygen from carbon dioxide and water, using energy from the sun
Chlorophyll
A green pigment found inside chloroplasts in some plant cells, which captures energy from light.
Light intensity
The strength or quantity of light
Fertiliser
A substance containing minerals, which is added to soil to help plants grow well
tomata
Small holes in the epidermis of a leaf
Gases to diffuse in and out
Yield
The quantity of a crop
Carbon cycle
The pathway by which carbon atoms cycle between organisms and the environment
Mass extinction
The loss of large numbers of species
Meteorites
A meteor that has landed on the surface of the Earth
Meteroids
Objects in space that are smaller than an asteroid
Meteors
Meteoroides as they are moving through the Earth’s atmosphere
