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solitary and colonial formsanimals may lead their lives either like individuals or in groups while they exist as individuals they are termed as
it is known that a radioactive material decays at a rate proportional to the amount presentif after a period of 12 yearsa 2g piece of radium weighs
i have a homework question to use the factor theorem that i need to use synthetic substitution with i did all the work and the divisor is a factor
how many 4 digit number lass than 6000 can be made with the digits 764 and 2 if digits are not
my homework is asking me to find the four possible gametes for two parents using their genotypes how do i do that would i use the foil
two blocks with masses 4kg and 8kg cre connected by a mass less string and slide down a 30degree inclined plane the coefficient of kinetic friction
when an object is dropped what is its acceleration at the moment of release explain with
2 vaccinations against various childhood diseases have contributed to the entry of women particularly mothers into the
a toy manufacturer develops a formula to determine the demand for its product depending on the price in dollars the formula is where p is the price
1 why ybs and ybi2 are semiconducting solids but las and lai2 show metallic character 2 why is aqueous solution of eu2 thermodynamically less
in a yacht race the second leg was half the length of the first leg the third leg was two-thirds of the second leg and the last leg was twice the
adaptive radiationsthe organisms all the time tend to establish harmony with their environment this process called adaptation enables the organism to
polychaete mollusca and echinodermatapolychaete and mollusca the polychaetes have a trochophore larva a common trochophore larva is top shaped
cnidaria and platyhelminthes - larval formscnidariathe common larval stage that is found in cnidarians is the planula which forms following
cnidaria - protozoathe mature medusoid jellyfishes like aurelia are the sexual stages sperms and eggs produced in the dissimilar male and female
artificial parthenogenesis in various cases the eggs that normally develop only after fertilisation can be experimentally induced to develop
copulation and fertilisation in hermaphrodites copulation between hermaphrodites is common flatworms possess a cirrus and penis that is inserted into
kinds of hermaphroditism depending upon the timing of maturity of the gonads hermaphroditism can be of two types1 simultaneous hermaphroditism both
hermaphroditismyou would have completely appreciated now that sexual reproduction is definitely the more advanced type of reproduction it gives for
ovipary vivipary and ovovivipary in each case of external and in some cases of internal fertilisation development of the fertilized egg zygote occurs
spermatophoresmany non-chordates do not release free sperms during copulation they have a mechanism to bundle and enclose a number of sperms in a
mating and fertilisationin all animals sperms are motile and have to move and seek the eggs to fertilise them for this an aqueous environment is
reproductive organsin several metazoans gonads are well-defined testes and ovaries take up dissimilar shapes and anatomical dispositions in cases of
conjugation - patterns of sexual reproductionconjugation is a temporary union among two individuals of the same species during which the original
syngamy - patterns of sexual reproductionsperm fuses with the egg this results in both the union of the paternal nucleus with the maternal one