Biology and Physics Quiz: Concepts Overview
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Questions and Answers

Which of the following statements about scalar and vector quantities is true?

  • Scalar quantities have only magnitude, while vector quantities have both magnitude and direction. (correct)
  • Both scalar and vector quantities measure direction.
  • Vector quantities have only magnitude.
  • Scalar quantities have both magnitude and direction.

Displacement is the measure of how much ground is covered without regard to direction.

False (B)

What is the standard form of scientific notation?

a × 10^b

A quantity that represents the distance traveled in a specific direction is known as _____.

<p>displacement</p> Signup and view all the answers

Match the following terms with their correct definitions:

<p>Speed = Rate of change of distance Velocity = Rate of change of distance in a specific direction Distance = Measure of magnitude of separation between two points Force = Vector with both magnitude and direction</p> Signup and view all the answers

What term describes the science of classifying organisms?

<p>Taxonomy (D)</p> Signup and view all the answers

Eukaryotae includes only animals and fungi.

<p>False (B)</p> Signup and view all the answers

Name one of the characteristics of life that involves a change in body position.

<p>Movement</p> Signup and view all the answers

The five kingdoms of classification include Prokaryotae, Protista, Fungi, Plantae, and __________.

<p>Animalia</p> Signup and view all the answers

Match the following characteristics of life with their correct descriptions:

<p>Growth = An increase in size or mass Respiration = The release of energy from food Nutrition = Feeding Reproduction = Production of offspring</p> Signup and view all the answers

What type of symbiotic relationship occurs when both organisms benefit?

<p>Mutualism (D)</p> Signup and view all the answers

In commensalism, one organism is harmed while the other benefits.

<p>False (B)</p> Signup and view all the answers

Name a pair of organisms that exemplifies mutualism.

<p>Bee and Flower</p> Signup and view all the answers

In a typical pyramid of numbers, hawks, small birds, and grasshoppers are examples of different ________ in the ecosystem.

<p>species</p> Signup and view all the answers

Match the following types of symbiosis with their definitions:

<p>Mutualism = Both organisms benefit Commensalism = One benefits, the other is not affected Parasitism = One organism harms another</p> Signup and view all the answers

What percentage of energy is typically transferred from one trophic level to the next?

<p>10% (A)</p> Signup and view all the answers

The pyramid of biomass typically has an inverted shape.

<p>False (B)</p> Signup and view all the answers

What process do plants use to absorb carbon dioxide?

<p>Photosynthesis</p> Signup and view all the answers

The primary consumers in the food chain between grass and hawks are ______.

<p>Grasshoppers</p> Signup and view all the answers

Match the following components of the carbon cycle with their descriptions:

<p>CO2 in Air = Carbon dioxide that plants absorb for photosynthesis Photosynthesis = Process that utilizes CO2 to create organic matter Decomposers = Organisms that break down dead material and return carbon to the environment Fossil Fuels = Stored carbon released when burned for energy</p> Signup and view all the answers

Which of the following is a negative impact of fossil fuel use?

<p>Greenhouse gas emissions (D)</p> Signup and view all the answers

Biodegradable materials can be broken down by decomposers.

<p>True (A)</p> Signup and view all the answers

What is the process called that traps heat near Earth's surface due to greenhouse gases?

<p>Greenhouse effect</p> Signup and view all the answers

Improper garbage disposal leads to an increase in __________ and rats.

<p>cockroaches</p> Signup and view all the answers

Match the following human activities with their negative impacts:

<p>Overfishing = Destroys food chains Pollution = Kills coral reefs Deforestation = Loss of biodiversity Eco-tourism = Damage to coral reefs</p> Signup and view all the answers

Which kingdom includes organisms that have a nucleus and a cell membrane?

<p>Protista (B)</p> Signup and view all the answers

All fungi are multicellular organisms.

<p>False (B)</p> Signup and view all the answers

What is the main characteristic that differentiates prokaryotic cells from other types of cells?

<p>They have no nucleus.</p> Signup and view all the answers

In the kingdom __________, organisms like Amoeba are classified.

<p>Protista</p> Signup and view all the answers

Match the following kingdoms with their representative organisms:

<p>Prokaryota = Bacteria Protista = Amoeba Fungi = Yeast Animalia = Lion</p> Signup and view all the answers

Which of the following features distinguishes mammals from other vertebrates?

<p>Fur or wool (A)</p> Signup and view all the answers

All reptiles are warm-blooded animals.

<p>False (B)</p> Signup and view all the answers

Name an example of an amphibian.

<p>Frog</p> Signup and view all the answers

An insect has _____ pairs of legs.

<p>3</p> Signup and view all the answers

Match the following animal groups with their features:

<p>Fish = Cold-blooded with gills Birds = Warm-blooded with feathers Mammals = Warm-blooded with fur Arachnids = Four pairs of legs</p> Signup and view all the answers

Which of the following best describes an ecosystem?

<p>The interaction of biotic and abiotic factors (A)</p> Signup and view all the answers

A habitat refers to the specific role of an organism within its environment.

<p>False (B)</p> Signup and view all the answers

What are the three quantities that can be measured using a quadrat?

<p>Density, Frequency, Percentage Cover</p> Signup and view all the answers

The ________ encompasses all different species living in a particular area.

<p>community</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Territory = Place where an organism lives Population = All organisms of one species living in one area Biotic = Living factors Abiotic = Non-living factors</p> Signup and view all the answers

What is a defining characteristic of Diplopoda?

<p>Has more than 10 pairs of legs and 2 pairs of legs per segment (A)</p> Signup and view all the answers

A food web consists of several interconnected food chains.

<p>True (A)</p> Signup and view all the answers

What type of organism is a scavenger?

<p>An organism that eats dead organisms.</p> Signup and view all the answers

The __________ shows the feeding relationships within an ecosystem.

<p>food chain</p> Signup and view all the answers

Match the following types of organisms with their definitions:

<p>Herbivore = Eats plants only Carnivore = Eats animals only Omnivore = Eats both plants and animals Decomposer = Feeds on dead organisms and releases nutrients</p> Signup and view all the answers

What is the primary purpose of a live transect?

<p>To sample a changing environment (A)</p> Signup and view all the answers

The belt transect method includes placing quadrats to determine species density and frequency.

<p>True (A)</p> Signup and view all the answers

Name one advantage of implementing recycling strategies.

<p>Prevents pollution</p> Signup and view all the answers

The three main strategies to manage waste are reduce, reuse, and _____

<p>recycle</p> Signup and view all the answers

Match the following instruments with their descriptions:

<p>Live Transect = Used to sample a changing environment Belt Transect = Quadrats placed along a line to determine species density Reduce = Minimize trash generation Reuse = Repurpose resources instead of buying new</p> Signup and view all the answers

Flashcards

Scientific Notation

A way to write very large or small numbers.

Scalar Quantity

Has only magnitude, not direction.

Vector Quantity

Has both magnitude and direction.

Distance

How much ground is covered.

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Displacement

Change in position.

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Symbiosis

A close relationship between two organisms of different species.

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Mutualism

A type of symbiosis where both organisms benefit.

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Commensalism

A type of symbiosis where one organism benefits and the other is not affected.

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Parasitism

A type of symbiosis where one organism benefits and the other is harmed.

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Pyramid of Numbers

An ecological pyramid showing the number of organisms at each trophic level.

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What is classification?

Grouping organisms based on shared characteristics to identify them.

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What is taxonomy?

The science of classifying organisms.

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What are the 3 domains of life?

Archaea, Bacteria, and Eukaryotae, major groups of life based on differences in cellular structure.

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What are the 5 kingdoms of life?

Prokaryotae, Protista, Fungi, Plantae, and Animalia, grouping organisms based on common features.

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What is Respiration?

The process of releasing energy from food.

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Pyramid of Biomass

A pyramid showing the total weight of living organisms at each trophic level. It usually has a pyramid shape.

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Trophic Level

A position in a food chain or web, showing how an organism gets energy. Examples: Producers, herbivores, carnivores.

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Pyramid of Energy

A pyramid showing the amount of energy available at each trophic level. It always has a pyramid shape.

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Carbon Cycle

The continuous movement of carbon atoms between different parts of the environment, including living things.

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What is the process that removes CO2 from the atmosphere?

Photosynthesis is the process where plants absorb CO2 and use sunlight to convert it into sugars and oxygen.

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Prokaryota

A kingdom of single-celled organisms that lack a nucleus and have their DNA free in the cytoplasm.

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Biodegradable

Materials that can be broken down by decomposers, like bacteria and fungi, into simpler substances.

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Non-biodegradable

Materials that cannot be broken down by decomposers and persist in the environment for long periods.

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Protista

A kingdom of single-celled organisms that have a nucleus, cell membrane, and cytoplasm.

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Fungi

A kingdom of organisms that are heterotrophic, meaning they obtain nutrients from other organisms.

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Greenhouse Effect

The process where certain gases in the atmosphere trap heat from the sun, warming the Earth.

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What's unique about prokaryotic cells?

Prokaryotic cells have no nucleus and their DNA is free in the cytoplasm.

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Climate Change

Long-term shifts in Earth's average weather patterns, including temperature, precipitation, and wind.

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Overfishing

Catching fish at a rate faster than they can reproduce, leading to declining fish populations and ecosystem disruptions.

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What do Protista and Fungi have in common?

They are both eukaryotes, meaning they have a nucleus.

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Habitat

The place where a specific kind of organism lives and finds everything it needs to survive.

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Population

All the individuals of the same species living in a particular area.

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Community

All the different populations of organisms living and interacting in a specific area.

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Quadrat

A square frame used to sample a small area in an environment to study the organisms within.

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Density

The number of individuals of a species per unit area.

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Chilopoda vs. Diplopoda

Chilopoda have one pair of legs per segment, while Diplopoda have two pairs of legs per segment.

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What is a Dichotomous Key?

A tool used to classify organisms by asking a series of paired questions with two possible answers.

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Food Chain

A linear sequence showing energy transfer from producers to consumers.

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Herbivore

An organism that eats only plants.

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Food Web

A complex network of interconnected food chains showing energy flow in an ecosystem.

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What is the order of classification?

The order of classification from broadest to most specific is: Kingdom, Phylum, Class, Order, Family, Genus, Species. This hierarchy helps organize and understand the relationships between different living organisms.

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What are vertebrates?

Vertebrates are animals belonging to Phylum Chordata, characterized by having a backbone or spinal column. They are further categorized into five classes: fish, amphibians, reptiles, birds, and mammals.

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What are the characteristics of amphibians?

Amphibians are cold-blooded, have smooth, moist skin, and breathe through lungs as adults but through gills as larvae. They live both on land and in water, laying eggs in water.

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What are the characteristics of insects?

Insects belong to the class Insecta within Phylum Arthropoda. They have three pairs of legs, two pairs of wings, and a segmented body.

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What are crustaceans?

Crustaceans are a class of arthropods characterized by a hard exoskeleton, four to ten pairs of legs, and a pair of pincers on their first pair of legs.

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Live Transect

A method used to sample a changing environment, where a line is drawn across the study area, and sections are marked along the line to observe different organisms.

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Belt Transect

A method using a line across an area, with quadrats placed along it, to measure species density and frequency.

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Reduce, Reuse, Recycle

Strategies for minimizing waste and using resources efficiently: reducing waste generation, repurposing old items, and transforming waste into new products.

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Advantages of Recycling

Recycling conserves energy and prevents pollution.

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Disadvantages of Recycling

Recycling can be time-consuming and costly.

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Study Notes

Scientific Notation

  • The way numbers are written to accommodate values too large or small to be conveniently written regularly
  • a x 10b
    • a is a real number, greater than or equal to 1 and less than 10
    • b is an integer

Scalar & Vector Quantities

  • Scalar - magnitude but no direction
    • eg. Length, Area, Mass, Temperature, Speed, Distance, Density, Current
  • Vector - magnitude and direction
    • eg. Force, velocity, acceleration, Displacement

Distance & Displacement

  • Distance (scalar) - measure of magnitude of separation between 2 points
    • How much ground is covered
  • Displacement (vector) - distance moved in a specific direction
    • Change in position
    • eg. 280m = Distance, Displacement
    • 280m → North = Displacement

Speed & Velocity

  • Speed (scalar) - rate of change of distance
    • m/s
  • Velocity (vector) - rate of change of distance in a specific direction
    • m/s (direction)

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Description

Test your understanding of key concepts in biology and physics, including scalar and vector quantities, the five kingdoms of classification, and symbiotic relationships. This quiz covers definitions, characteristics of life, and scientific notation, challenging your knowledge across multiple topics.

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