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zheka24 [161]
3 years ago
11

Which structures are found on sponges?

Biology
1 answer:
PSYCHO15rus [73]3 years ago
8 0

Answer:

The special cells of the sponge include those that filter sea water; cells that are phagocytic (that engulf and digest food particles); those that form the external 'skin', breathing pores and tubes through which water enters and leaves the body; and those that secrete the mineral and organic skeletons, called spicules and fibres, respectively. Sponges are also unique because nearly all their cells can change function as required (totipotency).

Explanation:

<em>PLS MARK ME BRAINLIEST*  I hope this helps </em>

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attashe74 [19]

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7 0
2 years ago
Which statement is TRUE?
Phantasy [73]

Answer:

A

Explanation:

All living organisms ranging from unicellular prokaryotes to multicellular eukaryotes contain genetic material (DNA). This genetic material is usually found on structures called CHROMOSOMES. Although, the chromosomes are contained in the genome of all living organisms, there are differences.

The genetic material of the bacteria (a typical prokaryote) is a single DNA molecule that makes up its single circular chromosomal material, unlike in eukaryotes that contains double-stranded DNA molecules on linear chromosomes. This single circular chromosome of bacteria is found naked in a region of their cell called NUCLEOID, as they do not possess a membrane-bound nucleus that houses it (a unique characteristics of eukaryotes).

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6 0
3 years ago
Which would you expect to be more fertile: the soil on a hillside or on a valley floor? why?
Whitepunk [10]
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5 0
3 years ago
Integer; procedure bigsub is procedure a(flag : boolean) is
Firlakuza [10]
Procedure Bigsub is
       procedure A (Flag: Boolean ) is
         v,w : Integer
       procedure B is
         u,y : Integer
            A(false);
          end; -- of B
if flag
then B;
else C;
    ...
end; -- of A
procedureC is
u,w,y : Integer;

procedure D is
t,z : Integer
   ...
z = t*u + y-w;
   ...
end; -- of D
        ...
D;
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begin
       t,u,v : Integer
              ...
             A(true);
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3 0
3 years ago
If I were to die right now in fifteen minutes what part of me would decay first.?
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Answer:

depends on how u die

Explanation:

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5 0
3 years ago
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