Answer is the phylum is Pteridophyta. Pteridophytes are first land plants, examples ferns, <em>Lycopodium, Selaginella. </em>Members have liginified cells and developed conducting tissues called vascular system to conduct water and synthesized food. They reproduce through spores, seeds do not develop in pteridophytes.
Answer:
To figure out what will and will not hurt the environment
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Answer:
The punnet square can be completed as follows:
C C
A AC AC
A AC AC
The results from the punnet square show that all of the offsprings form will be agouti as agouti is the dominant trait. However, the genotype of the offspring will be heterozygous carrying the alleles AC.
A dominant trait is the trait which arises due to a dominant allele. The dominant allele masks the effect of the recessive allele.
A heterozygous genotype occurs when the alleles of a gene are different.
Answer:
The statement which is true is as follow:
d. Two hairs from the same head may not have the same morphological characteristics.
Explanation:
- The statement in option a is not correct as we can't always determine the racial origin of hair.
- The statement in option b is not correct as it is not possible to do through trace elemental composition.
- The statement in option c is not correct as hair is not examined to determine the sex because the Shettles Method is uses to determine the sex of a baby.
- The statement d is correct as the hair have different structural features like length which makes its morphological characteristics.