Biology 1 key term flashcards

Teacher recommended

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  • Created by: Becish
  • Created on: 13-02-14 19:38
T J E C Y G A F H D J R P U W Q Y W Y W T
P F G E N E T I C E N G I N E E R I N G B
K S S E D O U B L E B L I N D T R I A L K
D A S E X U A L R E P R O D U C T I O N T
W Q C N O N L I V I N G F A C T O R S R G
I V O A U Y M M I J C A E S K W Y A C V M
Y S E X U A L R E P R O D U C T I O N U H
O P E V O L U T I O N A R Y T R E E S A O
L F A I P N H J P V O J Y K D B S P I E V
I H N A T U R A L S E L E C T I O N D E G
J L U Q Q U Q M O H B C H G H V I T A F D
H U T C K G U O V J X C W B M N G D K X X
L H L U T E I N I S I N G H O R M O N E C
H R X W A G N T U F C P E H G N G P R W O
P Y R A M I D O F B I O M A S S F Q X H F
R G I V D N U M C C B K N V H K D L N S C
P H L G O K G O K B X V V A Y J J G K H E
C B O D Y S D E F E N C E S Y S T E M S A
I R R H E Y P H L K X Q V L F Y G U A J D
H L O J W C V V K S N N T E J F B J C C P
W X L I W R H R I R P J J W F H T G G V E

Clues

  • Both scientists running experiment and patients do not know who has been given the real drug and who had the placebo (6, 5, 5)
  • Changing the genetic make up of an organism by altering or replacing some of the genes. Done at early stage of development (when a single cell) (7, 11)
  • Environmental conditions (e.g. oxygen + light levels, climate, rainfall and temperature levels) which may alter distribution of organisms (3, 6, 7)
  • Fusion of gametes. 2 sets of genes leads to variation, offspring cannot be genetically identical to either parent as genetic information is mixed, offspring show a range of variation (6, 12)
  • Mucus, stomach acid, skin, blood clots, eyelashes/brows, earwax, tears, WBC. Conditions which inhibit pathogen growth, kill or stop pathogens entering body to begin with (5, 7, 7)
  • Natural process whereby the organisms best adapted to their environment will survive and breed (7, 9)
  • No gametes fusing. All genetic information from 1 parent. Offspring genetically identical (clones) of parent. No variety unless there is a random mutation (7, 12)
  • Represents biomass at each stage of food chain once water is removed, shows energy is lost at every stage (7, 2, 7)
  • Show evolutionary relationship between different species and any common ancestors. Usually gives timescale showing when speciation / mutations took place. Show how different species have evolved together in an environment (12, 5)
  • Stimulates release of a matured egg from the ovary. Produced by pituitary gland in brain. (2, 11, 7)

Comments

Swallowtail

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Ten questions from a mixture of topics which usefully target key terms and definitions in the AQA B1 unit which could be usefully used as a self-test.

:)))

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:)

LegendofZelda

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Good crossword but cholesterol is spelt incorrectly

Shooting star

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they should show the questions first not the answers

Hermione5972

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really helps and is a great revision resource 

sara42

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2 is wrong in our eyes....smd

Kelvin43

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lovely jubbly!

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