Embryology Quiz
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Common ancestry relates to evolution because
A. evolution only happens when there are common ancestors.
B. Common ancestors make evolution happen more quickly.
C. evolution can never take place with common ancestors.
D. the more two organisms have in common, the more recent is their common ancestor during their evolution.
Relative dating of rock layers tells us that the deeper we dig, _______.
A. the younger the rocks get
B. the smellier the rocks get
C. the harder the rocks get
D. the older the rocks get
Which rock layer in the diagram seems to be the oldest?
A. F
B. E
C. B
D. A
Leaflike parts that cover and protect the flower bud
A. Ovary
B. Sepals
C. Style
D. Pollen
The Law of Crosscutting states that a fault or intrusion is __________ than the bodies of rock it cuts through.
A. younger
B. older
C. funnier
D. nastier
The entry of pollen tube into the ovule through the integuments is called
A. Mesogamy
B. Porogamy
C. Chalazogamy
D. Hypogamy
When scientists see similarities between a hippopotamus embryo and a rabbit embryo, this suggests:
A. Rabbits evolved from hippopotamus.
B. Hippopotamus share a common ancestor with rabbits.
C. Hippopotamus evolved from rabbits.
D. Hippopotamus and rabbits share the same traits.
States that younger rocks lie above older rocks if the layers have not been disturbed
A. Law of crosscutting
B. Law of superposition
C. Relative Dating
D. Unconformity
The transfer of pollen grains from the anther of a flower to the stigma of different flowers of the same plant.
A. Autogamy
B. Xenogamy
C. Geitonogamy
D. Cross pollination
The primary endosperm nucleus in angiosperms are
A. Haploid
B. Diploid
C. Triploid
D. Polyploid
During germination pollen tube comes out through
A. Exine
B. Intine
C. Callose
D. Germ pore
The most recent ancestral form or species from which two different species evolved is known as ________________________.
A. a common ancestor.
B. an embryonic stage.
C. development.
D. evolution.
The stalk of the ovule
A. Funicle
B. Integument
C. Hilum
D. Nucellus
The more similar the stages of embryonic development, the more likely that organisms share ____________
A. a common ancestor.
B. embryos.
C. eggs.
D. embryology.
Supports the stigma, serves as passageway for pollen
A. Anther
B. Style
C. Stem
D. Ovule
The single cotyledon of a monocot embryo
A. Scutellum
B. Coleoptile
C. Coleorrhiza
D. Epiblast
The fibrous wall layer of a mature anther
A. Epidermis
B. Endothecium
C. Tapetum
D. Middle layer
In the the third embryonic stage (bottom row), mammal embryos _____
A. have more characteristics in common with each other than with reptiles or birds.
B. are still hard to tell from reptiles and birds.
C. have the same features as fish, reptiles, and birds.
D. do not have tails.
The sporophyte stage is
A. haploid
B. diploid
Becomes the fruit
A flower structure that encloses and protects ovules and seeds as they develop.
A. Petal
B. Ovule
C. Stigma
D. Ovary
The cells lying at the chalazal end of embryosac
A. Egg
B. Synergids
C. Antipodals
D. Central cell
What is natural selection?
A. When reproduction occurs and mutations happen.
B. When a offspring has the traits from its parents.
C. When an organism is able to camoflauge in its environment.
D. the process whereby organisms that are better adapted to their environment tend to survive and reproduce more offspring.
Relative dating determines the…
A. precise age of fossils
B. age of fossils compared to others
C. climate fossils survived in
D. movement of continents
In which kind of rock do we usually find a fossil?
A. sedimentary rock
B. rock candy
C. hard rock
In stage one (top row) of these embryos, most of the embryos________
A. look very similar.
B. have very different features.
C. show different stages of development.
D. have only a tail if they are non-human.
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