Plants
The stems of sunflowers growing towards the light is an example of which adaptation
Behavioral
Oil spills, harmful chemicals and rubbish are a form of what kind of pollution?
Water pollution
The three main types of clouds are
Cumulus, Stratus, Cirrus
A high rate of what will increase the population
Birth rates
Smoke, soot, dust and dirt can cause eye irritation and damage to our _______________ system
Respiratory system
Plants breathe in _____ and breathe out _______
co2 and o2
Materials that can be broken down are called
Biodegradable
______________ is a form of precipitation that falls from the sky as clumps of ice.
Hail
a high rate of what will decrease the population
Death rate
When the last individual of a group of animal dies, the animal is said to be
Extinct
What is the first step from seed to plant?
Germination
When plastic is burnt what type of gases are released into air
Poisonous gases
The ___________________ of land and water causes the formation of sea breeze during the day and land breeze during the night.
Heating
What 3 factors cause death rates to rise
Famine, disease and natural diasters
Is water an example of abiotic or biotic factor
Abiotic factor
What are the 3 parts of a female plant
Stigma, style, ovary
Smoke released from the burning of fuels contains gases which can dissolve in rainwater to form
Acid rain
The low-lying cloud that is formed when the ground is cold is called _____________.
Fog
What is it called when people permanently move out of the country
Emigration
How long does a period usually last
3 to 7days
The process of when the pollen lands on the stigma is called
Fertilization
The growth of pest and germs comes from which type of pollution
Soil pollution
the process of changing in state from gas to liquid.
Condensation
A population is considered ageing when people under the age of __________________ make up less than 30% of the population.
15
How long does a bony stay in the mother’s womb
9 months