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vovikov84 [41]
3 years ago
9

He was a Polish scholar that first proposed a sun centered Solar System.

Biology
1 answer:
Irina-Kira [14]3 years ago
4 0

Nicolas Copernicus is the answer

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How are decomposers positioned in a food web?
vampirchik [111]

The answer is A, they are connected to all levels.

Decomposers in a food web, such as bacteria or fungi, mainly get their nutrient by decomposing dead organic matter to release carbon dioxide (when they respire)to the air for producers (which are mainly plants).

The following basic food chain (which forms food web when many of these are connected) may help you understand better:

Producer→primary consumer→secondary consumer→tertiary consumer

Since all levels in a food web is formed from organic matter (including plants and animals), decomposers feed on them to get their nutrient, so they're actually connect to all levels.

B is not correct because secondary consumers are the carnivores, which are animals that consume other animals for food and nutrient.

C is not correct because primary consumers are herbivores, which are animals that consume plants (or producers) for food.

D is not correct because autotrophs are organisms that make their own food by themselves, which are usually by photosynthesis (the process to make glucose from light energy). They're usually green plants, and the "producers" from a food web.

5 0
3 years ago
If you can see an organism without a microscope which of the following do you know is false about the organism ?
Alex Ar [27]

Hello!


Your answers will be those of the following:

It's Made Of Prokaryotic Cells



Sorry!! I don't know if I missed one, but I also skipped 7th Grade science so even if I did miss one, I hope you pass your test!!



6 0
3 years ago
Read 2 more answers
Above is a bar graph showing how the average family uses water. Fresh water is a vitally important resource, and its supply is l
Rom4ik [11]
Hello,

B)


It would be the "leaks" category because leaks cause your water supply to drain and could eliminate to help reduce water usage in your home.

Thanks,



8 0
4 years ago
Crabs have paddle-like appendages to help them swim called<br> ———————————————
sashaice [31]

Answer:

The correct answer is - Swimmerets.

Explanation:

Swimmerets are small paddle-like appendages that are modified pairs of legs near the rare. or attached to the abdomen. These paddle-like appendages are help crabs to swim and also helps in carrying and aerating eggs.

These are present in lobster, and shrimps as well as swimming crabs. These are the modification of the legs of the crabs in order to better swimming and brooding of the eggs.

8 0
3 years ago
Which is the class of cnidarian that is characterized by having a dominant medusa stage and four gastric pouches?
vladimir1956 [14]

Answer:scyphozoa

Explanation:cniderians are aquatic animals.they have radial symmetry, that is they can be divided into two halves through any plane.

Cniderians may have nematocyst,which are stinging cells.

They have two forms,which are polyp and Medusa .

There are four classes of cniderians;hydrozoa, scyphozoa,cubozoa and anthozoa.

Scyphozoa are predominantly medusa,which is umbrella shaped.they are jelly fishes.

They have four or eight oral arms.

They possess four gonads and four gastric pouches .an example is the Aurelia.

5 0
3 years ago
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