a~ shared characteristics are features or qualities that organisms or species have in common.
c~ shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.
d~ shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.
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Answer:
0.153
Explanation:
We know the up-thrust on the fish, U = weight of water displaced = weight of fish + weight of air in air sacs.
So ρVg = ρ'V'g + ρ'V"g where ρ = density of water = 1 g/cm³, V = volume of water displaced, g = acceleration due to gravity, ρ'= density of fish = 1.18 g/cm³, V' = initial volume of fish, ρ"= density of air = 0.0012 g/cm³ and V" = volume of expanded air sac.
ρVg = ρ'V'g + ρ"V"g
ρV = ρ'V'g + ρ"V"
Its new body volume = volume of water displaced, V = V' + V"
ρ(V' + V") = ρ'V' + ρ"V"
ρV' + ρV" = ρ'V' + ρ"V"
ρV' - ρ"V' = ρ'V" - ρV"
(ρ - ρ")V' = (ρ' - ρ)V"
V'/V" = (ρ - ρ")/(ρ' - ρ)
= (1 g/cm³ - 0.0012 g/cm³)/(1.18 g/cm³ - 1 g/cm³)
= (0.9988 g/cm³ ÷ 0.18 g/cm³)
V'/V" = 5.55
Since V = V' + V"
V' = V - V"
(V - V")/V" = 5.55
V/V" - V"/V" = 5.55
V/V" - 1 = 5.55
V/V" = 5.55 + 1
V/V" = 6.55
V"/V = 1/6.55
V"/V = 0.153
So, the fish must inflate its air sacs to 0.153 of its expanded body volume
We have that the used during dissection what is used to feel the tissue without using your hand to touch the specimen is the
From the question we are told
What is used during dissection what is used to feel
the tissue without using your hand to
touch the specimen?
A. Scalpel
B. Scissors
C. poker
D. T-pins
Generally Different tools have different applications to and uses during dissection.
This is a very sharp tool made of metal,Usually used to cut through specimens
This a tool designed as a two metals sharpened at one end that faces each other, this tool aids in cutting
This is a tool used commonly in dissections not to cut but rather to hold firmly in lace parts of specimen.This in a way stops the tool user from touching the specimen
Therefore
The used during dissection what is used to feel the tissue without using your hand to touch the specimen is the
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The answer should be equator
