biology topic 1 Flashcards
(15 cards)
Which kingdom has organisms with cell walls and chlorophyll?
Plantae
How would organisms in the kingdom protoctista be described?
Usually unicellular with a nucleus
Which class would an organism belong to if it has lungs, uses internal fertilisation and gives birth to live young?
mammals
How many kingdoms are there?
5
What does oviparous mean?
lays eggs
What is the correct order for classification?
Kingdom, phylum, class, order, family, genus, species
What is the feature of a poikilotherm?
Temperature varies with surroundings
What does survival of the fittest mean?
The best adapted species is most likely to survive
Which of the following is an example of continuous variation?
Height
Eye colour
Hair colour
height
What is likely to happen to an individual that is poorly suited to its environment?
It will not survive to reproduce
How is the polar bear adapted to survive the cold temperatures?
Thick layers of fat and fur for insulation
How does the Pompeii worm survive the high temperatures of the hydrothermal vent?
Utilises a thick layer of bacteria
What is discontinuous variation often caused by?
Inherited variation
What was the name of the book published by Charles Darwin?
On the Origin of Species
Which of the following is not a reason why species adapt and change?
Producing too many offspring
Competition for resources
Too much food
too much food