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nikdorinn [45]
3 years ago
9

Water striders are common insects that can skip across the surface of ponds and streams. this lifestyle is enabled by water's __

___
Biology
1 answer:
Nat2105 [25]3 years ago
3 0
Here are the options 
<span>a.)cohesion and resulting surface tension
b.)high specific heat
c.)adhesion
<span>d.)none of the above

And here is your answer...
</span></span>cohesion and resulting surface tension. 
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Only adult ticks of the genus Ixodes may feed on humansa. True b. False
puteri [66]

Answer: False

Explanation:

Ticks are the external parasites which survive by feeding the blood of the birds, reptiles, amphibians and mammals. Various species of the ticks are distributed world wide. They colonize and live in the countries with warm and humid climatic conditions. The moisture help them to undergo metamorphosis. There are many species in the families of lxodidae (hard ticks) and Argasidae (soft ticks) that are active parasites and are capable of causing diseases in humans.

8 0
3 years ago
The diagram models how a poison bonds to the active site of an enzyme. Which function is the enzyme most likely unable to perfor
asambeis [7]

The answer is; A

The active site of the enzyme is bound by a substrate and probably the enzyme catalyzes a hydrolysis reaction. The poison mimics the substrate and competes with the substrate for the active site of the enzyme. The poison may bind permanently to the enzyme rendering the enzyme unavailable for other substrates. This could make a particular biochemical reaction, in which the enzyme is involved, to reduce drastically hence threatening life.


3 0
3 years ago
For the same cross: BbTt x bbTt a. Using the Probability Method illustrated in lecture, break the complex two-gene cross into tw
shutvik [7]

Answer and Explanation:

cross: BbTt x bbTt

<u>Cross for B gene</u>

Parental ) Bb   x   bb

Gametes) B   b   b   b

Punnet square)  B     b

                  b     Bb    bb

                  b     Bb    bb

F1) Genotypic proportion: 2/4=1/2 Bb : 2/4=1/2 bb

     Genotypic ratio 1:1

     Phenotypic proportion: 2/4=1/2 B- : 2/4=1/2 bb

     Phenotypic ratio   1:1

<u>Cross for T gene</u>

Parental ) Tt   x   Tt

Gametes) T  t     T   t

Punnet square) T       t

                  T     TT    Tt

                  t      Tt    tt

F1) Genotypic proportion 1/4 TT

                                          2/4 Tt

                                          1/4 tt

     Genotypic ratio  1 : 2 : 1

      Phenotypic proportion: 3/4 T-

                                              1/4 tt

     Phenotypic ratio 3 : 1

3 0
3 years ago
Does anybody here know how to edit two pictures into one?
siniylev [52]

Answer:

possibly depending on what you want

Explanation:

5 0
2 years ago
How do scientists use DNA to support evolution?
guapka [62]
DNA supports evolution  because all life on Earth carries DNA, and evolution happens only after DNA changes. These changes are called mutations and happen spontanoulsy from flawed DNA copying or from mutagens, such as X-rays or chemicals.
3 0
3 years ago
Read 2 more answers
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