100% Correct Answers | Graded A+
What are fossils? - ✔✔remains of animals or plants once alive in sedimentary
rock
What part of the animal is usually left in a fossil? - ✔✔skeletons and bones
What are the two things in which whole animals are found? - ✔✔amber and ice
A scientist who digs up and studies fossils is called a- - ✔✔paleontologist
No two people are genetically identical, except for identical twins, the main
source of genetic variation among human is - ✔✔the reshuffling of alleles in
sexual reproduction
Allele frequencies in a gene pool may shift randomly and by chance. What is this
random shift called - ✔✔genetic shift
Sparrows with average sized wings survive severe storms better than those with
longer or shorter wings, illustrating - ✔✔stabilizing selection
A state in which individual has two copies of same allele, is called--- -
✔✔homozygous
----- allele dictates the physical appearance of individual - ✔✔phenotype
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, Individuals genetic make up is called its---- - ✔✔genotype
A diploid organizm has the copies of each gene, it is called ---- - ✔✔alleles
Which of the following conditions are important for hardy Weinberg principle to
hold true - ✔✔the population should be large
What is phylogeny - ✔✔evolutionary history
What is systematics? - ✔✔Classification (family, order, species)
What is taxonomy? - ✔✔Naming + dividing
A taxonomic unit at any level is called - ✔✔taxon
each ---- represents the divergence of two taxa from a common ancestor -
✔✔branch point
----- are groups that share an immediate common ancestor - ✔✔algae
----- classifies organismy by common descent - ✔✔cladistics
------ is a group of species that includes an ancestral species and all its
decendants - ✔✔
What is analogy? - ✔✔Different structure but similar functions Example- bat
wings
What is monophyletic? - ✔✔Signifying that it consists of the ancestor species
and desendents
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