BIOLOGY MIDDLE SCHOOL

Describe the different abiotic and biotic parts of an ecosystem. Identify and explain what organisms lie on each of the trophic levels.I have the different parts of an ecosystem but I just need help with the second part.

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Answer 1
Answer: the biotic part am i right?

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Which is the word equation for photosynthesis

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carbon dioxide + water --> oxygen +glucose
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The ovule after fertilisation grows to become a...

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A new plant



hope this helps :P

What are some real life examples of a cell membrane?

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Cell membrane of a cell is responsible for the substances that goes in and out of the cell’s cytoplasm and organelles. It is transports different materials externally to internally and vice-verse. Hence the cell membrane is like 1.   The wall, window and door of a house. 2.   The security guard of a certain bank 3.   Or the military sector of a country. Like these three real-life examples, they regulate and control the flow of certain entities from outside to inside and vice-versa.



Inorganic membranes are found under the floor tiles of our bathrooms, in our drinking water filters, and in the fuel cells of industrial plants. Structures that require water resistance are also made up of membranes.

These can be found in gardens, underneath roads, and in ponds and reservoirs.

The cell membrane acts as a barrier and gate. It is semi-porous, meaning that some molecules are able to pass through the lipids bilayer, but others are unable to. Small hydrolysis molecules and gases (e.g., oxygen and CO2) pass through membranes quickly.

To learn more about the membranes, refer to the link:

brainly.com/question/32084334

#SPJ6

Compare the element hydrogen with the alkali metal sodium

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Hydrogen and Sodium are both part of the alkali group. Hydrogen has an atomic weight of 1.008 while Sodium has an atomic weight of 22.99. Hydrogen has only one electron while Sodium also has one electron in the outer shell. So both Hydrogen and Sodium has a charge of +1. Hydrogen is actually a gas while Sodium is a metal. Sodium is never a diatomic molecule, whereas Hydrogen is a diatomic molecule. So it can be seen that there are similarities as well as differences between Hydrogen and Sodium.



Answer is in the picture please help

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Answer:D

Explanation:All things are made up of atoms but only living things are made of cells.
The answer is D. The reason for this is because everything is made up of atoms, however only living things have cells

With no herring to eat, how would the eating habits of cod change

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Answer:

The answer is: Mackerels, perches, soles, eglefinos, mainly.

Explanation:  

The codis very voracious and all the prey that is within reach is good for him, even the juvenile cod. But his favorite delicacies are asmall squid, and thewavy bucino. In their early stages of life they feed onkrill, zooplankton and crustaceans, before moving on to small fish such aschaplain and herring, the adult eats other fish such asmackerels, perches, soles, eglefinos, mainly.

The answer is: Mackerels, perches, soles, eglefinos, mainly.
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