Ecology
Name 3 causes of deforestation
Animals lose their habitats, less O2 producers, Animals do not have enough food- disrupted food webs, biodiversity loss
Which vitamin is produced when your skin is exposed to sunlight?
Vitamin D
What is the only mammal that can fly actively (not glide)?
A bat
Name all the kingdoms in Biology
Animals, plants, fungi, eubacteria, archae, protista
A tree-dwelling seahorse is real species
False. But a tree-dwelling octopus is
What percentage of the world’s species are estimated to be threatened with extinction? (+-3)
28%
Lack of this mineral causes anemia.
Iron
What happens if saltwater fish is placed in freshwater?
It bursts, because water travels into its cells via osmosis
What are eukaryotes?
Organisms with cells that have a nucleus
Human body has more bacterial cells than tissue cells
Yes, and the ratio is about 10:1
What highly toxic chemical element do fish (like bluefin tuna) contain as a result of industrial waste?
Hg, mercury
What is osteoporisis?
Weak and fragile bones
What gas do ruminants produce?
Methane, CH4
Full name of DNA?
Deoxyribonucleic acid
Knee flexor muscle is the fastest muscle in human body
False, but eye muscle is
What are keystone species?
Species that have a disproportionally large impact on the ecosystem
How many bones do adult humans have? (+-2)
206
Name 3 arboreal animals!
Orangutan, python, sloth, flying squirrel, koala, chameleon etc
What are autotrophs and heterotrophs?
Autotrophs- make their own food (like plants), heterotrophs- need to eat other organisms
Kidmeys filter 5 liters of blood daily
False, 1.5l
Name 3 zoonotic diseases!
Covid-19, rabies, tuberculosis
Where are latissimus dorsi muscles located?
On human back
What marsupial animals sleep 18-12h a day?
Koalas
What is plasmolysis?
When water travels out of the plant cell causing cell to shrink and separate from the cell wall
Blue light from phone/computer screen causes eye damage
False, but it prevents melatonin production and makes you tired