Higher Biology Unit 3 Crossword

Aspect of food security where people have economic means to obtain available food
aspect of food security where food is sufficiently nutritious and varied to provide a balanced diet
Aspect of food security where sufficient amount of food is always available
Each layer in the pyramid is called a __________ level
Light striking a leaf can either be absorbed, reflected or ____________
This photosynthetic pigment passes the energy it gains from the light it absorbs on to chlorophyll
The name for the first stage of photosynthesis where light energy is used to split water
Along with Hiydrogen, this product of the first stage of photosynthesis is used during the second stage
The by product produced during the first stage of photosynthesis
Name of the cycle during the carbon fixation stage of photosynthesis
Carried the Hydrogen from the first stage of photosynthesis to the carbon fixation stage
The enzyme which joins RUBP and CO2 to make 3PG
Component of cell walls made using glucose from photosynthesis
Inbreeding depression is caused by the build up of homozygous recessive versions of these alleles
This chemical control is used to kill weed populations
Type of intertebrate animal pest which includes slugs
Cultural method to control weed populations
A type of control method which introduced a natural enemy of the pest to control its population
Animal behavious where the repeat movements which lack variation, a sign of poor welfare
A co-evolved intimate relationship between members of two different species
A relationship between two different species of organism where both benefit from the relationship
A rank order of individuals in a group of animals
Type of behaviour used to look submissive and unthreatening in animals
habitat fragmentation can be eased with these links built between the fragments
A naturalised species with spreads rapidly and eliminates the native species