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WorksheetsMRS GREN
Total questions: 27
Worksheet time: 14mins
what is movement.
tMovement is the act of staying in one place.
Movement is an action by an organism orn part of an organism causing a change in position or place.
what are the two types of movement.
Mobile and motile movement
whate is the meaning of Motile.
consumes own energy to produce movement.
Immobile, has no energy
what is the meaning of mobile
Relys on outside source to move as they are not anchored to the ground
a stationary object
relys on nothing and is non-living
what is respiration
Respiration is the process where food (gluecose) is broken down to release energy.
where does cellular respiration occur.
In the cell
what are the two types of respiration.
what is aerobic respiration.
what is Anaerobic respiration
Anaerobic respiration is the type of respiration that occurs in the absence of oxygen. gluecose is then partly broken down.
what is growth
a decrease in size or number
an increase in ammount of apples
a decrease in anxiety for this test
permanant change in size or increase in number.
what is development
Development is the process of staying stagnant and not making any progress in various aspects
Development is the process of decay and decline in various aspects
A gradual change in an organisms structure which leads to a change in function.
Development is the process of regression and worsening in various aspects
what is required for an organism to udergo growth
nutrients has to undergo respiration to produce energy and assist organism to grow.
what is reproduction
a procces of making more of the same species of an organism.
why do we need reproduction.
To sustain their kind and prevent extinction of their species.
what is sexual reproduction.
offspring is not identical to parents you need two people to reproduce ( a guy and a girl) two types of DNA is passed on to next generation.
what is asexual reproduction.
what is excretion.
the removal of an organism’s toxic waste product (produced during metabolic reactions in the cell.)
why do we excrete
To prevent build up of toxic waste product and to remove exess substances that are no needed. In order to maintain homeostasis
what are the different types of waste product.
Gas: methane, CO2, Oxygen.
liquid: Urine, sweat, Mucus.
what is nutrition
The taking in of material for energy to support growth and development.
what are nutrients.
these are biomolecule organic compounds that are large and complex in structure and have stored energy. built by the 4 elements required for life.
what are the 4 elements required for life.
what biomolecules do the 4 elements make.
Carbohydrates, lipids (fats), proteins.
what do the 3 biomolecules do.
provides energy and builds structures that are required for life.
what are the two modes of nutrition.
what is an autotroph.
Organism that can produce its own food from using either photosynthesis or chemosynthesis.
what is a Heterotroph.
An organism that cannot produce its own food and must obtain its nutrients from other organisms for energy.
