Dichotomous
How many choices must each step of a dichotomous key have?
2
What is coral bleaching?
When coral becomes white and loses it's colour as it dies.
Food Webs start with energy from the _______
sun
What is the top level in a taxonomy pyramid?
Domain
How many continents are there on Earth?
7
List 2 types of Dichotomous Keys that could be used
Branching
Step / List
What causes coral bleaching?
Increase in water temperatures.
A living thing that can create it's own food is known as a _____________
producer
Name 3 species that would belong to the Animalia Kingdom
Answers will vary. Could include Human, Gorilla, Bear etc.
Which team entered the NRL competition in 2023?
The Dolphins
When writing the steps in a dichotomous key, the choices should always be
_ _ _ o _ _ _ _
opposite
What is overfishing?
When fish are caught in excessive amounts by commercial fishing. Fish are caught at an unsustainable rate.
List 3 apex predators
Answers will vary. Could include
Lion, Shark, Eagle
List 3 features of an insect
6 legs
3 body parts (head, thorax, abdomen)
exoskeleton (invertebrate)
What is the most common M & M colour?
Yellow
Explain what is wrong with the following step
1a Has Fur
1b Has Feathers
Does not allow for a living thing that has either of these features
Explain 3 negative effects of coral bleaching
Loss of habitat for marine life
Loss of food sources and producers
Disruption of Ecosystems / Food Webs
Decrease in biodiversity
Loss of Tourism
What is the difference between 1st trophic level and a primary consumer?
The first trophic level is the first level of the food chain or web - it will contain the producer. The primary consumer is the first living thing that eats the producer.
How do we get the scientific name of a species and why is it important?
From the genus and species of the living thing. It is important because it is the same universally.
On what day of the week will New Years Day 2025 fall on?
Wednesday
Explain whether physical or behavioural features are better to use in dichotomous keys. Provide 2 reasons
Physical features are better
They rarely change - are more reliable
Are easy to identify
Explain 3 negative effects of overfishing
Bycatch
Prevents reproduction of some species
Many species are threatened due to high volume of overfishing
Damage to marine environments
Disruption to Food webs
Reduction of biodiversity
Explain why biodiversity is important to food webs.
Biodiversity means there are multiple prey and predator relationships. Biodiversity is important as it helps maintain the food web. If biodiversity is decreased, some species my die out or migrate due to lack of food.
List all levels of the taxonomy pyramid in order
Domain - Kingdom - Phylum - Class - Order - Family - Genus - Species
How many grams does an iPhone 16 (standard) weigh?
170g