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slavikrds [6]
3 years ago
6

Which type of skeletons do invertebrates such as crabs have?

Biology
1 answer:
jeka943 years ago
3 0
Answer: Exoskeleton

This is the answer to your question, hope it helps!
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You are observing a cell. its cell wall is made of a long-chain polysaccharide called peptidoglycan. it has the ability to make
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Answer

            The organism should be name as bacteria.  

Explanation

                   Peptidoglycans is the characteristics features of bacterial cell its absent in cell wall of archaea, fungi and plant cell.  Bacteria can also make amino acids. There are some bacteria who can prepare their own food in the presence of sunlight, i.e purple phototrophic bacteria, green sulphur bacteria, green filamentous bacteria etc. these bacteria contain photosythertic pigments called bacteriochlorophyll.  


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3 years ago
The carbon phosphorus and nitrogen cycles are collectively referred to as __________ cycles
NeTakaya

Answer is Biogeochemical cycles.

In an ecosystem biotic (living) abiotic (non-living) components constantly interact each other. During these interactions, there is a transfer of nutrients between living organisms and the non-living environment. Thus, there is recycling of inorganic matter between living organisms and their non-living environment. This cycling of matter is called biogeochemical cycles.

 

6 0
4 years ago
Consumers engage in limited search for items like midrange fashion apparel, home furnishings, and appliances. These are examples
Ad libitum [116K]

Answer:

Durable

Explanation:

Durable because the listed category of goods can be kept for a long period of time .

7 0
3 years ago
GIVING BRAINLIEST!!!
Darya [45]

Answer:

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Explanation:

it just makes sense to me

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20) In order for high force cross bridges to form in contracting skeletal muscle, calcium must A) phosphorylate the troponin to
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Answer:

E. bind to troponin which moves the tropomyosin

Explanation:

calcium ions bind to troponin, causing conformational changes in troponin that allow tropomyosin to move away from the myosin binding sites on actin. Once the tropomyosin is removed, a cross-bridge can form between actin and myosin, triggering contraction

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