Answer asap will give brain thing

Answer:

1. Antonie van Leeuwenhoek made the first microscope and used it to look at bacteria and study bacteria, and Robert Hooke studied cells and saw cavities in the cells that looked like small boxes - he discovered plant cells! he recognized cells as the basic unit of life, a basis for Cell Theory.

2. cell theory is: every living organism is made of one or more cells, cells are the smallest units of life ( that have the properties of a living thing), All cells come from other cells  - all living things come from other living things. This relates to every living thing because all living things come under cell theory - like all living things are made of cells

3. prokaryotes, like bacteria, doesn't have a nucleus covered in a membrane. a eukaryotic cell, like an animal cell, has a membrane covered nucleus. just like the nucleus, in eukaryotes the organelles are not membrane bound. in prokaryotes, the organelles are membrane bound. In prokaryotes the DNA form is circular, while the DNA form in eukaryotes is linear. there are more, but i couldn't list them.

4. Example for prokaryote: the famous (or infamous) E. Coli bacterium. example for eukaryote: Humans!

5. Single-celled organisms (unicellular organisms) have all the functions necessary for their survival in the single cell. Multicellular organisms (many celled organisms), however, need many cells to survive and carry out all the functions necessary for their survival and do the different tasks each cell is supposed to do.

I hope this helped, please do correct me if I am wrong!

Explanation:

describe TWO feedback mechanisms that are taking place in Antarctica and in the Arctic and describe each mechanism and its global impact.

4. Normal body temperature is 98.6 degrees Fahrenheit, although it varies slightly for some people. Someone ?

Describe the group of frogs in the image.

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In a minimum of 5 sentences for each, please answer the following questions:


- Why was it important to identify a common name and why was the term "Kinesiology" chosen?


- What types of thoughts immediately come to mind when you here the term "Physical Education?" Why might that term "Physical Education" be limiting in as a common name for our field of study?



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1. What is biodiversity?
2. What does it mean if a place has high biodiversity?
3. How does biodiversity effect an ecosystem?
4. Do you think a high biodiversity help or hurt the stability of an ecosystem?

(Please help and actually answer please help )
Rainbow smelt and yellow perch attempt to occupy the same area. The more aggressive smelt survive; the perch do not.

Limiting factor-

Explain-

A severe flood brings a lot of sediment and silt into Lake Winnipeg. The turbidity of the lake increases greatly.

Limiting factor-

Explain-

A drought decreases the water level in Lake Winnipeg. The carrying capacity of the lake decreases.

Limiting factor-

Explain-

Due to the introduction of rainbow smelt, Lake Winnipeg becomes crowded and some fish species do not survive.

Limiting factor-

Explain-

Since northern pike prey on yellow perch, an increase in the perch population causes an increase in the pike population.

Limiting factor-

Explain-

Many fish die due to an increase in water temperature.

Limiting factor-

Explain-

Due to over-fishing, the number of walleye in Lake Winnipeg decreases.

Limiting factor-

Explain-

A population is growing quickly when parasites cause disease to spread quickly.

Limiting factor-

Explain-