Which scientist proposed that cells come from other cells?a. Hooke
b. van Leeuwenhoek
c. Schwann
d. Virchow

Answers

Answer 1

Answer:

Answer: c. Schwann

Explanation:

By the late 1830s zoologist Theodor Schwann along with botanists Matthias Schleiden proposed the cell theory. The cell theory states that all living cells comes from the pre-existing cells, the cell is the basis unit of life and all living beings are made up of cells. This theory describes the basis property of all the cells.

Answer 2

Answer: Virchow. Hooke named the cell. Leeuwenhoek saw the first cell. Schwann observed animal cells. Virchow observed cell division.

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A physical environment with different species that interact with one another and with nonliving things is called

Answers

Answer:

A physical environment with different species that interact with one another and with nonliving things is called an ecosystem.

Ecosystem is the functional unit of nature. An ecosystem can be different in size according to the communities living in that ecosystem. Abiotic and biotic components together make an ecosystem.

Chemical and physical factors come under abiotic components. Physical components like water, air, light, temperature have more effects on the ecosystem than chemical factor.

Organisms are the biotic component of an ecosystem. They can be autotrophs or heterotrophs. Many organisms make a population, many populations combine to form community and many communities combine to form an ecosystem.

Organism↔Population↔Community↔Ecosystem

A physical environment with different species that interact with one another and with non-living thing is called an ecosystem

Why are phytoplankton essential to aquatic life zones? filter pollution from water provide basis of food chains moderate water temperature produce chemicals that can be used against predators

Answers

The answer is provide basis of food chains.

Plankton includes a diverse group of organisms that live in the water, but are not capable of active swimming against the current. They are usually present in the upper part of the ocean, where is enough sunlight.
They are the basis of food chains in water ecosystems. They provide food for different animals, such as jellyfish, shrimps, whales, etc.

Answer:

They provide basis of food chains.

Explanation:

Phytoplankton are the autotrophic components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems. The name comes from the Greek words φυτόν, meaning "plant", and πλαγκτός, meaning "wanderer" or "drifter".

What is the name of the drug that used to put animals to sleep?

Answers

pentobarbital is the name of the drug

A scientist was observing chondrocytes under a microscope. Which type of connective tissue was he observing?

Answers

the type of connective tissue that he's observing is : cartilage tissueChondrocytes are made mostly by collagen.The collagen caused a smooth and elastic tissue which is very rubber-like, which could be used to protect the long bones of our joints, which commonly found in cartilage tissue

A group of college students working on a project on bio-gas have found some bacteria in the bio-gas plant. These bacteria can utilize methane as their source of energy and do not need oxygen for their survival. What kind of bacteria could they be?

Answers

These organisms are called anaerobic organisms, specifically a group of archaebacteria. These type of organisms do not need oxygen for survival. They are prokaryotes which means no nucleus. Some organism belonging to this group use methane as their source of energy.

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