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MaRussiya [10]
3 years ago
11

Anton van Leeuwenhoek is a scientist who saw cells soon after Hooke did. He made use of a microscope containing improved lenses

that could magnify objects almost 30ox. Under these microscopes, Leeuwenhoek found moving objects that he named “animalcules,” which included protozoa and other unicellular organisms, like bacteria. He was also able to observe red blood cells and sperm cells. To which of the tenets of the Cell Theory did Leeuwenhoek make the biggest contribution?
Biology
2 answers:
DaniilM [7]3 years ago
8 0

Answer:

D) The cell is the basic unit of structure and organization in organisms.

Explanation:

Lisa [10]3 years ago
5 0

D:  The cell is the basic unit of structure and organization in organisms.  Explanation: cause I got the question right.

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Which of the following is NOT an example of a negative feedback loop?
JulsSmile [24]

Answer:

B. As you get too hot, you sweat to cool your body temperature back down.

4 0
3 years ago
A keystone species affects relative abundance of species in a community at
Shalnov [3]

Answer: a. the lowest trophic level

Explanation:

The keystone species is the one on which the entire ecosystem depends upon. It maintains a balance in the ecosystem. If this species is removed the ecosystem will drastically change. The members of the keystone species are abundantly available at the lowest trophic level. This will help in making a balance in a community or ecosystem. If some members die others will be available to survive others.

7 0
3 years ago
Consider a population of finches originally observed on one of the Galapagos Islands about fifty years ago. At the time, it was
Alex787 [66]

Answer: anagenesis

Explanation:

Evolution in this species has  occured within the lineage of a single population

hope this helps : ))

8 0
2 years ago
I do not understand because I was not in class. Can you please help me answer these questions.
g100num [7]
1. bony fish
2. cartilaginous fish 
3. jawless fish 
4. cartilaginous fish 
5. bony fish 
6. cartilaginous fish 
7. Jawless fish 
8. bony fish
9. cartilaginous fish 
10. bony fish

8 0
3 years ago
Help Plz!!
Airida [17]

Answer:

1. mushroom

2. nucleus

3. eukarya

4. animalia

5. button mushroom

Explanation:

1. Mushroom because everything else in the list is an animal, while a mushroom is a fungi.

2. Nucleus because eukaryotic and prokaryotic are types of formations of a cell, while a nucleus is part of a cell and not a cell formation.

3. Eukarya because the Eukarya include all animals, plants, fungi, and protists. These organisms are eukaryotes, meaning they have membrane-enclosed nuclei within their cells. The Bacteria and Archaea are both considered prokaryotes, because their cells lack true nuclei, meaning a membrane does not enclose their genetic material.

4. Animalia because fungi and plantae are stationary organisms, while animalia are mobile. (ex. fungi and plantae= roots and animalia= feet/ not attached to one place)

5. Button mushroom because sunflowers and oak trees are producers, while a button mushroom is a decomposer.

4 0
3 years ago
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