Competition & Predation Flashcards
What are the 2 types of competition?
- Competition between individuals of the same species
- Competition between individuals of different species
What’s happens to a bird table in winter and crumbs fall onto it?
All the birds try and get the food and compete for food.
What is a weed?
A plant growing where it is not wanted
Weeds compete with other plants for _____,______ and ______.
Lights
Water
Space
What are animals that compete with us called?
Pests
Name the types of pests:
That compete for food
Damage our crops
Disease our cattle
What makes a wolf a good predator?
Sharp teeth and claws
Also eyes are at the front of the head to judge size and distance
How has the hare managed to escape (adaptions of prey)?
- Large ears to listen for trouble
- Eyes on the side of the head for a wide field of view
- Long strong back legs
True or False
Prey that escape are usually the best adapted and they survive to pass on their genes to their off spring.
True
Define Competition.
When 2 or more individuals compete for the SAME resources that are in short supply.
What is intraspecific competition?
- Occurs between individuals of the SAME species
- Includes competition for mates as well as for resources
What is interspecific
- -occurs between individuals of different sp.
- niches in habitat very similar
- eg. cichlid fish competing for food in pond