تمارين اونلاين Biology term2 unit4 chapter1 lesson1 Principles of living organisms

if you know that the species name of Bolti fish so, the scientific name of this fish is…………

a-Tilapia nilotica               b-Tiolapia Nilotica

c-Nilotica tilapia                 d-nilotica tilapia

if you that the number of individuals in one of the animalia phyla is about 3 millions ,so the number of individual in a class in this phyla may be……………..millions

a- 9             b- 6              c-3              d- 1

the scientific name of onion is Allium cepa  and the scientific name of garlic is Allium sativum so both of them differ iv ……………..

a- kingdom              b- phylum            c- genus             d- species

the scientific name of rat is Rattus ratuss ,these two syllables refers to the……..

a-kingdom and species                  b-kingdom and genus

c-  genus and species                      d- phylum and genus

in the two opposite figures ,organism (X)  shares organism (Y) in that they belong to the same ……

a- species      b- genus          c- subgenus            d-class

the presence of living organisms like tigon and mule leads to an increasing the number of……………..

a-individual            b- genera                  c-species                   d-phyla

all the following  can be used to make a dichotomous key to recognize the animal shown in the opposite  figure , except ……..

a- the beak (longer or shorter ) than the head

b-the head vertex (white or black)

c-the reproduction (sexual or asexual )

d-the skin membrane between toes