Biodiversity
Biodiversity is short for ________ diversity.
Biological
An ecosystem is the community in which all the biotic and ______ elements interact.
abiotic
A biome is a large group of _______.
ecosystems
The marine biome covers around ___% of the Earth's surface, and i home to more than 230,000 species.
70%
It's the longest river in the world and it is located in the African continent. It goes through seven countries.
The Nile River
Biodiversity refers to all the different _______ living on Earth.
species
water, air, soil and climate are examples of...
abiotic elements
Biomes can be terrestrial or...
aquatic
Apart from fish, sharks, dolphins and whales, mention three animals that can be found in the Marine biome.
octupus, seahorse, manatees, seals.
It is the longest river in the American continent, but it is also the one with the most water flowing.
The Amazon River
Scientists study three different types of biodiversity. Which are they?
Species, genetic and ecosystems.
plants, animals and microorganisms are examples of...
biotic elements
All areas in a biome have similar plants, animals and...
weather
It's the largest animal on Earth and lives in the marine biome.
The blue whale.
Most rivers are born in the mountains, and they are formed by
melted snow on top of the mountains and the water from the rain.
It's a group of genetically different organisms.
Species
Places near the Equator tend to have a high amount of biodiversity because...
The climate is not too hot or too cold and more species can live in those conditions.
It's the largest biome on Earth.
The marine biome
Algae and other marine plants are very important because...
they provide more than half of the oxygen on Earth.
How do you call the places where the river begins and ends?
Source and mouth
It refers to the variety of genes that a certain species have. For example, different breeds of dogs have different genes.
Genetics
Places near the poles tend to have less biodiversity because...
The extreme weather conditions don't allow many species to survive.
Give two examples of terrestrial biomes and two examples of aquatic biomes.
Terrestrial: desert, rainforest, savanna
Aquatic: coral reef, marine biome.
The ocean is divided in three light zones. Which are they?
sunlit, twilight and midnight.
What is a tributary?
A tributary is a freshwater stream that feeds into a larger stream or river.