Science Flashcards
What is the idea of spontaneous generation?
The ides that many organisms came from inanimate objects
What are all living organisms made of?
Cells
What are nerve cells and what do they do?
They are long extensions of cytoplasm and they carry messages from one part of a body to another
What are the two types of unicellular organisms?
Prokaryotes and eukaryotes
What do all cells require?
Glucose, Oxygen, nutrients, and minerals
What are groups of similar specialised cells working together called?
Tissues
Define pollen
The male sex cell of a flower
What is the female sex cell of a flower?
The egg cell
What do honey bees do?
Pollinate 70 per cent of the UK’s insect-pollinated crops
Name 3 ways seeds can be dispersed
Any of these answers:
Wind
Water
Exploding pods that release seeds on touch or with moisture
Being carried inside animals that eat the fruit
Hooking onto the fur or skin of passing animals
What is a fruit?
The ovary of a plant after fertilisation
What is the purpose of a reproductive system?
To produce offspring and keep the species alive
What are the main two purposes of the female reproductive system?
To produce eggs that may be fertilised by sperm and to provide an environment for the growing foetus
What is the age range which puberty can start within?
8 to 16 years
How long does it take for a foetus to grow?
38 weeks
