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64 Cards in this Set

  • Front
  • Back

Biology

Study of life

5 characteristics of all living things

Energy, reproduction, organization, cells, homeostasis, growth/development, evolve

Organization of life from smallest to largest{12}

Atom>molecule>organelle>cell>tissue>organ>organ system>organism >population>community>ecosystem>biosphere

How do humans receive their energy?

Through consumption,we are consumers

How do producers get their energy? Give an example

They extract their energy and nutrients from the enviornment. Ex. Plants and some bacteria

How do decomposers obtain energy? Give and example.

Obtain nutrients from dead organisms and organic wastes. Ex. Fungi and some bacteria

Name the 7 classification systems

Kingdom, phylum, class, order, family, genus, species

Organisms that do not move and are rooted to one spot are considered what?

Sessile

Evolution

Change in a species over time

Which type of reproduction contains gametes?

Sexual reproduction

Name four types of eukaryotes

Animals, protista, plants, fungi

Name two types of prokaryotes

Bacteria and archaea.

Matter

Is anything that takes up space (solid,gas,liquid)

What does "CHNOPS" stand for?

Carbon. Nitrogen. Phosphorous


Hydrogen. Oxygen. Sulfur

Why do elements either chums hare of steal from other elements?

To become stable

Name some aspects of inorganic compounds. Give two examples

They are nonliving, nonbiodegradable, do not contain carbon. Ex. H2o, acids, bases, salts.

Name concepts or organic compounds and three examples

Biodegradable, contain carbon or hydrogen, and living. Ex. Carbs, lipids, proteins, nucleic acids.

What's stronger: covalent or ionic bonds?

Covalent, since they are sharing.

Which bond breaks easier in water?

Ionic bonds

What does ph measure?

The amount of acids and bases.

How do buffers maintain their constant ph?

By releasing or consuming hydrogen.

Asexual reproduction

Usually don't by sponges or fungi, asexual reproduction leads to the offspring almost looking identical and they only come from one parent.

Sexual reproduction

Comes from two parents and avoids children looking identical, they are very diverse.


Exeternal anf internal fertilization


Ex. Plants, animal, humans

Name two heterotrophs

Decomposes and consumers.

Name the three domains

Eukarya, bacteria and archaea

Taxonomy

Study of naming and classifying organisms

Element

Substance that cannot be broken down through chemical means.

True or false:


Animals contain two sets of genetic material.

True, they are diploid

What are hydrogen bonds? Are they strong or weak?

It is the superglue of bonds containing hydrogen. They are weak and happen through adjacent water molecules.

Solvent

A chemical in which solutes dissolve

Solution

Consists of one or more solutes dissolved in a liquid solvent.

"Like dissolves like"

Polar molecules can dissolve polar molecules. Same with nonpolar.

Hydrophilic


Give example

Polar


Water loving. Substances dissolve in water ex. Sugar,salt, ions

Hydrophobic


Give examples.

Nonpolar


Water fearing. Substances do not dissolve in water. Ex. Fats and oils

Zygote

A fertilized egg

How do we behave towards achieving homeostasis?

We can behave physiologically or behaviorally towards hypo- or hyper- thermia.

Extant

Adaptation towards enviornment over time.


Antibiotic resistance

Are archaea unicellular or multicellular

Unicellular

Independent variables

Altered in an experiment.

Dependent variable

A response that can depend in the value of the independent variable. The MEASURED part of an experiment.

Standardized variable

The constant part of an experiment, including the control group.

Theory

An explanation for natural phenomenon

Scientific method

Begins with questions and observations. Then hypothesis>prediction >experiment>analysis> peer review

Characteristics of water. Name 6

Cohesion, adhesion, chemical reactions, regulate climate And temperature, expands when it freezes,participated photosynthesis and respiration.

Denature

Ph and temperature affect proteins and their functions. (Ruins them)

Enzymes and in what suffix

-ase

Monosaccharides

Quick energy. Ex. Glucose and fructose

Dissacharides

Used for energy. Ex. Sucrose and lactose

Polysaccharides examples

Glycogen, starch, cellulose, chitin>exoskeleton

Glycogen

How animals store energy ex. In Liver, muscle

Name 7 types of proteins

Structural/support/storage proteins, hormones, receptor, enzymes, transport, defensive, contractile

Name some functions if proteins

Keratin, hemoglobin, spider silk, egg white, insulin, speeds up chemical reactions, immune system

Name the 4 types of lipids

Triglycerides, sterols, waxes, phospholipids

Where do unsaturated fats come from?

From plants, and they're liquid at room temperature.


Goood fats!!!!

Where do saturated fats come from?

From animals and they are solid at room temperature.

Cell theory

Everything had to have 1 cell, cells basic unit of life, cells come from other cells, all cells need and use energy


All cells need Dna.

All cells must have...

Dna and rna


Ribosomes


Cell membrane


Cytoplasm

Lysosome

Contain digestive enzymes


Break down waste


Kill cells


Golgi apparatus

Modifies packages and secretes

Smooth ER

Synthesizes lipids,


Involved in detoxing


Stores calcium

Peroxisomes

Vesicles that remove toxic H2O2

Centrioles

Involved in cell reproduction

What do plant cells have that aren't in animal cells

Plastid (chloroplasts)


Cell wall and membrane


1-2 vacuous


Plasmodemata (holes)


Cytoskeleton

Tubes/filaments give cell shape and structure


Holds organelles in place