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Why do humans not constantly get sick with bacterial infections?
Two reasons, one is our lymphatic system (our immune system), and the other is the billions of other beneficial bacteria that live in and on all humans, which keep the bad bacteria at bay.
Describe two ways bacteria provide nutrients to humans?
they break down cellulose (plant starch) that humans cannot digest they break down lactose with lactic acid, that humans do not produce
Describe two ways bacteria can produce disease in humans?
if someone eats spoiled food they could get food poisoning, and if you get bacteria inside your stomach you couldget diarrhia
What are two ways living things use energy?
We as humans (and this counts for animals too!) we use kinetic energy when we move around we also use sound energy when we speak
Humans are born with how many kidneys in there body?
Human body has two kidneys
What were two ways in which meroes location was beneficial to kush?
It helped the kush's economy grow
What are two ways rain forests are threatened?
Humans and Pollution
How can soil lose its value?
Soil can lose its value in several ways. Two are erosion of topsoil and depletion of nutrients and microorganisms in the soil.
What are two ways humans use ionic compounds?
salt and sunscreen
What are two ways in which an environment can change?
Humans can stop playing COD
What are two ways that the products of mitosis and meiosis in humans are different?
because
What are two ways humans can make soils unproductive?
humans can have things on their shoes and leave it on the ground to make soil
How are humans innovating ways to produce and consume material resources?
Give two examples of production and two examples of consumptions habits humans have related to material resouces.
What are two microorganisms?
Look into question
What are two ways nitrogen becomes usable two plants humans and animals?
Amino acids, proteins and DNA.
What are two ways in which humans have been able to increase your food supply?
Humans increase our food supply growing crops, and raising cattle
The two main ways that rock layers can be disturbed are and?
Moved by humans or by processes in the Earth such as earthquakes.
