Reactions 2
Genetics
Evolution
Ecosystems
Motion
100
List the 3 sub-atomic particles.
protons, neutrons, electrons
100
The four nitrogenous bases and their pairs are:
Adenine - Thymine
Guanine - Cytosine
100
Footprints are an example of what type of fossil?
Trace Fossils
100
Distinguish between biotic and abiotic.
Biotic = living
Abiotic = non-living
100
What is a vector?
A measurement with direction and magnitude.
150
An exothermic reaction is:
a. one that releases energy
b. one that requires energy
c. one that creates light
d. one breaks things down
a. one that releases energy
150
A nucleotide consists of:
- a phosphate
- a sugar
- a nitrogen base
150
What 3 conditions are required for a fossil to form?
- organism die.
- organism covered by sediment.
- cementation (pressure) of rock after many years.
150
Identify the tertiary consumer.
snake
150
What is the calculation for speed?
distance / time
200
What type of reaction is the opposite of a combination reaction?
Decomposition Reaction
200
Two parents who are both heterozygous for hair color with one allele for brown hair (B) and one allele for red hair (b) have a child. What are the chances the child is homozygous recessive?
1 in 4. 25%
200
What does 'survival of the fittest' mean?
The organisms best adjusted to their environment are the most successful in surviving and reproducing.
200
What ecosystem relationship benefits both species?
Mutualism
200
When an athlete pushes back on a starting block, the starting block pushes the athlete forwards. This is an example of:
a. Newtons 1st Law
b. Newtons 2nd Law
c. Newtons 3rd Law
d. Inertia
c. Newtons 3rd Law
250
What is the word equation for respiration?
oxygen + glucose -> carbon dioxide + water + energy (ATP)
250
List the 3 components of Cell Theory.
- All cells come from pre-existing cells
- All living things are made up of cells
- Cells are the building blocks of life
250
Which is not true about natural selection:
1 - Individuals in a species are diverse.
2 - More offspring are produced than can survive to maturity.
3 - Individuals with favourable variations are more likely to survive.
4 - Individuals will pass on physical changes that occur in their lifetime.
4 - Individuals will pass on physical changes that occur in their lifetime.
250
Name 3 intraspecific relationships.
competition, mating, collaboration
250
In a shopping trip, you travel 150 m to the shops, then stops at the petrol station which is 50 m from the shops.
What is the displacement of this trip?
100 m
300
Which of the following is correct about acids and bases.
a. pH: 6 is more acidic than 1.
b. pH: 8 is more basic than 14.
c. pH: 2 is more acidic than 5.
d. pH: 12 is the most basic.
c. pH: 2 is more acidic than 5.
300
What is difference between genotype and phenotype?
A person's genotype is their unique sequence of DNA.
Phenotype is the detectable expression of this genotype.
300
List the 5 types of evidence for evolution.
- Fossil Record
- DNA Sequence
- Geographical Evidence
- Comparative Anatomy
- Embryonic Anatomy
300
The area where an organism lives is its _________.
environment
300
Ticker tape timer strip: What type of motion is occurring?
l -- - - - - - - - - - - - l
accelerating
(--- slow) (- - - faster)