NS (Liam) Flashcards
(18 cards)
What is the main difference between vertebrates and invertebrates?
Vertebrates have backbones, while invertebrates do not.
Name four types of arthropods.
Insects, arachnids, crustaceans, myriapods.
What are the two main groups of flowering plants?
Monocotyledons (monocots) and dicotyledons (dicots).
Name three parts of a flower.
Petal, stamen, carpel (pistil).
What is pollination?
The transfer of pollen from the anther to the stigma.
What is fertilisation in plants?
When a pollen cell fuses with an ovule cell to form a seed.
Name two methods of seed dispersal.
Wind and animals.
What is variation in humans?
Differences in traits like eye colour, height, and blood type.
What are the three states of matter?
Solid, liquid, gas.
What is the smallest part of an element?
An atom.
What are the three subatomic particles?
Protons, neutrons, electrons.
What is the nucleus of an atom?
The center of the atom containing protons and neutrons.
What is a mixture?
A combination of substances that can be separated physically.
Name two methods of separating mixtures.
Filtration and evaporation.
What is an acid?
A substance with a pH less than 7.
What colour does litmus paper turn in a base?
Blue.
What are variables in an experiment?
Factors that can be changed or measured.
What does a bar graph show?
Comparisons between different groups.
