Cell
How do we call parts of a cell?
Organells
Are bacteria bigger or smaller than viruses?
Bigger
Is virus a living organism, why?
No, it can't reproduce itself
Prove that a plant is a living organism
It grows, takes nutrients and reproduces
Where do algae live?
In water bodies
What is the function of a cell wall and a cell membrane?
They are security guards of a cell, they protect it from a harmful environment.
What can kill bacteria?
Antibiotics
What do viruses need to reproduce?
a host (a living organism)
Name all parts of a plant
Root, stem, leaves, buds, sepals, flowers, fruits
How do they reproduce?
With spores
What process makes food for cells?
Photosynthesis
Are bacteria unicellular or multicellular organisms?
Unicellular
Do antibiotics kill viruses?
No
What does a plant need for photosynthesis?
Carbone dioxide, water, sunlight
What kind of algae can grow like forests under water?
Kelp
What organell is a power station of a cell?
Mitochondria
What part of a bacteria helps it move?
Flagella
What can kill viruses?
Immune system (memory cells)
Gymnosperms and angiosperms- what is it?
Angiosperms keep their seeds in fruits, gymnosperms - in cones
Name types of algae and where do they live?
Green - in fresh water, brown - in salty water, red - in warm salty water
Where is the DNA of a cell?
In nucleous
How to protect yourself from bacteria?
Wash your hands, sneeze into your elbow, wear a mask
Name the parts of a virus cell
Protein shell, DNA, some fat
What is the name of the oldest and the biggest plant on our planet?
sequoia
Where do people use algae in their life?
Food, medicine, purify water, food for animals, make plastic