Lets do our revision for Chapter 1-6

Which of the following would be classified as a population?

• a rambutan tree in your village

• a pile of fallen leaves near your class

• a group of deer that live in UiTM Perlis

• birds, insects and earthworms in your backyard

All organisms and their inorganic surroundings on Earth are closely integrated to form a single and self-regulating complex system, maintaining the conditions for the life on the planet. This statement is referring to:

• hierarchy

• biome

• ecosphere

• Gaia Hypothesis

The process of creating and analysing a digital prototype of a physical model to predict its performance in the real world can be referred to as:

• statistical model

• non-statistical model

• analytical model

• simulation model

Variation, which is one of the prerequisite of natural selection, can be caused by:

• mutation

• genetic recombination

• migration

• All of the above

The graphs show the changes in crab colour at one beach. Which of the following is most likely to have caused the change in the distribution?

• A change in beach colour made medium-tan crabs the most visible to predators.

• A change in beach colour made medium-tan crabs the least visible to predators.

• A new predator arrived that preferred light-tan crabs.

• A new predator arrived that preferred dark-tan crabs.

Stabilizing selection acts to _________ in species’ selection.

• push for directional change

• maintain a certain phenotype

• alter traits

• elaborate new traits

What is/are factors that can limit species dispersal?

• physical barriers

• climate

• competition

• All of the above

Which of following statement is INCORRECT to represent fugitive species?

• Normally found in fragmented areas

• Strong dispersal ability

• typically larger species

• Often have shorter life cycles