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Saturday, July 16, 2022

Eons Practice Test

This Earth and Environmental Science study guide includes a practice test related to eons. I recommend watching this Crash Course video on The History of Life on Earth, starting at 1:30 before attempting to answer the questions. This one is designed in adaptive mode, so the correct answer follows each question. I also created a Quizlet list of terms with accompanying flash cards, practice test, and games.

Directions

  1. Click on the first slide below to enlarge to full screen.
  2. Click on that slide or on the next thumbnail at the bottom of the screen to advance to the next slide.

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Title Page for Earth Science Eons Practice Test with a mixture of colors on a rocky background

Created by Katrena. All rights reserved.

Experts estimate that _______ were the first living things on Earth. These are similar to archea that live in hydrothermal vents, sulfur hot springs, and oil wells today. Possible answers: prokaryotes, invertebrates, eukaryotes

Experts estimate that prokaryotes were the first living things on Earth. These are similar to archea that live in hydrothermal vents, sulfur hot springs, and oil wells today.

_____ are broken down into eras, periods, and epochs. Possible answers include: Centuries, Eons, Ions

Eons are broken down into eras, periods, and epochs.

Cyanobacteria make their own food through ____________. Possible answers include: Opportunistic hosts, Echolocation, Photosynthesis

Cyanobacteria make their own food through photosynthesis.

________ include all plants and animals. Possible answers include: Mammals, Eukaryotes, Prokatyotes

Eukaryotes include all plants and animals.

Mitochondria and plastids are single-celled organisms with organelles that may have been first created when one prokaryote parasitized another. This is know as ________. Possible answers include: endosymbiosis, photosynthesis, replication

Mitochondria and plastids are single-celled organisms with organelles that may have been first created when one prokaryote parasitized another. This is know as endosymbiosis.

Per fossil records, the first eukaryotic organisms appeared about 1.5 billion years ago and were probably _____. Possible answers include: algae, moss, grass

Per fossil records, the first eukaryotic organisms appeared about 1.5 billion years ago and were probably algae.

The _________ Eon is the current eon in which we are living. Possible answers include: Proterozoic, Achaen, Phanerozoic

The Phanerozoic Eon is the current eon in which we are living.

The _____ Period was 500 million years ago and is when plants, animals, and fungi started colonizing land. Possible answers include: Permian, Triassic, Ordovician

The Ordovician Period was 500 million years ago and is when plants, animals, and fungi started colonizing land.

In the Devonian Period that occurred 365 million years ago, _____ (4-legged vertebrates) and arthropods (insects, spiders) appeared. Possible answers include: biopods, triopods, tetrapods

In the Devonian Period that occurred 365 million years ago, tetrapods (4-legged vertebrates) and arthropods (insects, spiders) appeared.

Approximately 299-251 million years ago, the Permian Period occurred when land masses joined to form one single continent called _______. Possible answers include: Pangaea, Unigon, Eurasia

Approximately 299-251 million years ago, the Permian Period occurred when land masses joined to form one single continent called Pangaea.

The _______ Extinction Event occurred 252 million years ago, resulting in Extinction of 96% of marine species 76% of terrestrial vertebrates died Only known mass extinction of insects Extinction of 57% of taxonomic families Extinction of 83% of all genera Changes is climate, sea level, & ocean salinity. Possible answers include: Ordovician-Devonian, Permian-Triassic, Devonian-Carboniferous

The Permian-Triassic Extinction Event occurred 252 million years ago, resulting in Extinction of 96% of marine species 76% of terrestrial vertebrates died Only known mass extinction of insects Extinction of 57% of taxonomic families Extinction of 83% of all genera Changes is climate, sea level, & ocean salinity

In which Period did dinosaurs first appear? Possible answers include: Permean, Carboniferous, Triassic

Dinosaurs first appeared in the Triassic Period.

A _____ involves living and non-living resources for survival. Possible answers include: coevolution, autotroph, niche

A niche involves living and non-living resources for survival.

Insects and _______ (flowering plants) appeared 100 million years ago. Possible answers include: angiosperms, tricerotops, protobiants

nsects and angiosperms (flowering plants) appeared 100 million years ago.

______ occurs when two species evolve together in a symbiotic relationship. Possible answers include: coevolution, codependency, cogent

Coevolution occurs when two species evolve together in a symbiotic relationship.

The background graphic for this practice test came from Pixabay.com

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