Taxes And Kineses
Quiz to check understanding and memorization regarding taxes and kineses; Year 13 BIO
- 1.A TAXIS is a ___________ response to a stimulus.
- A.
Multidirectional
- B.
Directional
- C.
Non-directional
- 2.Which of the following is an example of a KINESIS?
- A.
A hermit crab retracts into its shell when a shadow passes over it
- B.
A flower closes when darkness falls
- C.
A slater moves away from a light source
- D.
A fish moves towards a particular smell/chemical
- 3.Which of the following means a non-directional response to light?
- A.
Phototaxis
- B.
Photontaxis
- C.
Lumokinesis
- D.
Photokinesis
- 4.Which of the following would be used to describe a movement towards a potential mate's pheromones (chemicals produced by an animal and released from their body)?
- A.
Negative phototaxis
- B.
Positive pherotaxis
- C.
Positive chemotaxis
- D.
Negative pherotaxis
- 5.The word used to describe a snail retracting into its shell when touched from any direction is _________.
- 6.You spend most of your adolescent life right side up (i.e., with your head pointing away from the centre of the Earth). Why is this NOT a positive gravitaxis?
- A.
Because you lie down to sleep so you are not always upright. If it was a response to gravity you would always be upright.
- B.
Because gravity is a fairly constant force on Earth so there is no change to respond to. And you don't stand up straighter if you go up a large mountain for example.
- C.
The being 'right side up' is not a response of your whole body towards the 'stimulus' of gravity. If you were put in the ocean and then swam towards the bottom automatically, that could be a positive gravitaxis. (Not a very advantageous behaviour for your survival though)
- D.
Gravitaxis is limited to small or unicellular organsisms. We are large organisms and gravity acts passively on us, No part of us at any stage in our life cycle responds to gravity.
- 7.Why is the growth of a pea root towards the centre of the Earth NOT positive gravitaxis? Because taxis is the word used for an oriented response in an _________.
- 8.The plural of 'taxis' is_____________
- 9.What words would you use to describe a worm burrowing back into the Earth when it is dug up in the garden? _________ ___________[HINT: it will be the singular form of the words]
- 10.Which of the following COULD be a reason for a goldfish swimming towards food flakes?
- A.
Positive thigmotaxis
- B.
Positive chemotaxis
- C.
Positive gravitaxis
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