What is an Ecosystem?
an ecosystem is a biological community of interacting organisms and their physical environment.
Studys shown that 40%____-tailed deer have the corona virus.
White-tailed deer.
How many senses do humans have?
5 main senses.
A pure substance mixed with another pure substance.
A Mixture.
When were humans first created?
2-6 million years ago
What is biodiversity?
Biodiversity is different kinds of life you find in a certain area.
What is the most common element in the human body?
Oxygen is the most common element in the human body.
What causes hiccups in humans?
Being excited or under emotional stress. Experiencing sudden temperature changes. Swallowing air.
the liquid in which a solute is dissolved to form a solution.
A solvent.
How many languages were created by humans?
around 6,500 different languages.
What do plants compete for in an ecosystem?
Nutrients, water, and sunlight.
Can humans ever directly see a photon?
Yes, photons are the only things that a human can directly see.
How many different blood groups/types are there in the human body?
8 blood groups.
a mixture whose components can be separated by mechanical means as distinguished from a chemical compound.
Mechanical Mixture.
How many human races in the world?
according to scientists in modern days, there is only one human race.
What causes the most destruction in an ecosystem?
Pollution is one of the main causes of destruction.
What do sharks not have in their body, unlike many other fish?
Sharks do not have a skeleton, (bones) because their body structure is made from cartilage.
What causes hypothermia to the human body?
prolonged exposures to very cold temperatures.
Solute.
By what percent did humans evolve in the past 5,000 years.
7%
What are the three main living organisms in an ecosystem?
Producers, Consumers, and decomposers.
What is the smallest cell known?
Mycoplasma gallicepticum
How far can the human eye see?
The human eye can see 3 miles.
A mixture made of many substances that looks like its just one pure mixture.
Solution.
How many cells can the human body have?
About 100 trillion.