Type:

Diagram/Illustration/Map

Description:

Collection of diagrams in the subject of Biology. Includes topics such as cells, DNA, Genetics, Mitosis, Meiosis, Human Body, Evolution and Ecology.

Subjects:

  • Science > General

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10

Keywords:

Diagrams Biology cells DNA Genetics Mitosis Meiosis Human Body Evolution and Ecology.

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution 3.0

Collections:

None
Update Standards?

SCI.9-12.L.4.1.1.a: Science

Populations can be categorized by the function they serve. Food webs identify the relationships among producers, consumers, and decomposers carrying out either autotropic or heterotropic nutrition.

SCI.9-12.L.4.1.1.b: Science

An ecosystem is shaped by the nonliving environment as well as its interacting species. The world contains a wide diversity of physical conditions, which creates a variety of environments.

SCI.9-12.L.4.1.1.c: Science

In all environments, organisms compete for vital resources. The linked and changing interactions of populations and the environment compose the total ecosystem.

SCI.9-12.L.4.1.1.d: Science

The interdependence of organisms in an established ecosystem often results in approximate stability over hundreds and thousands of years. For example, as one population increases, it is held in check by one or more environmental factors or another species.

SCI.9-12.L.4.1.1.e: Science

Ecosystems, like many other complex systems, tend to show cyclic changes around a state of approximate equilibrium.

SCI.9-12.L.4.1.1.f: Science

Every population is linked, directly or indirectly, with many others in an ecosystem. Disruptions in the numbers and types of species and environmental changes can upset ecosystem stability.

SCI.9-12.L.4.1.2.a: Science

Important levels of organization for structure and function include organelles, cells, tissues, organs, organ systems, and whole organisms.

SCI.9-12.L.4.1.2.b: Science

Humans are complex organisms. They require multiple systems for digestion, respiration, reproduction, circulation, excretion, movement, coordination, and immunity. The systems interact to perform the life functions.

SCI.9-12.L.4.1.2.c: Science

The components of the human body, from organ systems to cell organelles, interact to maintain a balanced internal environment. To successfully accomplish this, organisms possess a diversity of control mechanisms that detect deviations and make corrective actions.

SCI.9-12.L.4.1.2.d: Science

If there is a disruption in any human system, there may be a corresponding imbalance in homeostasis.

SCI.9-12.L.4.1.2.e: Science

The organs and systems of the body help to provide all the cells with their basic needs. The cells of the body are of different kinds and are grouped in ways that enhance how they function together.

SCI.9-12.L.4.1.2.f: Science

Cells have particular structures that perform specific jobs. These structures perform the actual work of the cell. Just as systems are coordinated and work together, cell parts must also be coordinated and work together.

SCI.9-12.L.4.1.2.g: Science

Each cell is covered by a membrane that performs a number of important functions for the cell. These include: separation from its outside environment, controlling which molecules enter and leave the cell, and recognition of chemical signals. The processes of diffusion and active transport are important in the movement of materials in and out of cells.

SCI.9-12.L.4.1.2.h: Science

Many organic and inorganic substances dissolved in cells allow necessary chemical reactions to take place in order to maintain life. Large organic food molecules such as proteins and starches must initially be broken down (digested to amino acids and simple sugars respectively), in order to enter cells. Once nutrients enter a cell, the cell will use them as building blocks in the synthesis of compounds necessary for life.

SCI.9-12.L.4.1.2.i: Science

Inside the cell a variety of specialized structures, formed from many different molecules, carry out the transport of materials (cytoplasm), extraction of energy from nutrients (mitochondria), protein building (ribosomes), waste disposal (cell membrane), storage (vacuole), and information storage (nucleus).

SCI.9-12.L.4.1.2.j: Science

Receptor molecules play an important role in the interactions between cells. Two primary agents of cellular communication are hormones and chemicals produced by nerve cells. If nerve or hormone signals are blocked, cellular communication is disrupted and the organism's stability is affected.

SCI.9-12.L.4.1.3.a: Science

The structures present in some single-celled organisms act in a manner similar to the tissues and systems found in multicellular organisms, thus enabling them to perform all of the life processes needed to maintain homeostasis.

SCI.9-12.L.4.2.1.b: Science

Every organism requires a set of coded instructions for specifying its traits. For offspring to resemble their parents, there must be a reliable way to transfer information from one generation to the next. Heredity is the passage of these instructions from one generation to another.

SCI.9-12.L.4.2.1.c: Science

Hereditary information is contained in genes, located in the chromosomes of each cell. An inherited trait of an individual can be determined by one or by many genes, and a single gene can influence more than one trait. A human cell contains many thousands of different genes in its nucleus.

SCI.9-12.L.4.2.1.f: Science

In all organisms, the coded instructions for specifying the characteristics of the organism are carried in DNA, a large molecule formed from subunits arranged in a sequence with bases of four kinds (represented by A, G, C, and T). The chemical and structural properties of DNA are the basis for how the genetic information that underlies heredity is both encoded in genes (as a string of molecular "bases") and replicated by means of a template.

SCI.9-12.L.4.2.1.g: Science

Cells store and use coded information. The genetic information stored in DNA is used to direct the synthesis of the thousands of proteins that each cell requires.

SCI.9-12.L.4.2.1.h: Science

Genes are segments of DNA molecules. Any alteration of the DNA sequence is a mutation. Usually, an altered gene will be passed on to every cell that develops from it.

SCI.9-12.L.4.3.1.a: Science

The basic theory of biological evolution states that the Earth's present-day species developed from earlier, distinctly different species.

SCI.9-12.L.4.3.1.b: Science

New inheritable characteristics can result from new combinations of existing genes or from mutations of genes in reproductive cells.

SCI.9-12.L.4.3.1.c: Science

Mutation and the sorting and recombining of genes during meiosis and fertilization result in a great variety of possible gene combinations.

SCI.9-12.L.4.3.1.d: Science

Mutations occur as random chance events. Gene mutations can also be caused by such agents as radiation and chemicals. When they occur in sex cells, the mutations can be passed on to offspring; if they occur in other cells, they can be passed on to other body cells only.

SCI.9-12.L.4.3.1.e: Science

Natural selection and its evolutionary consequences provide a scientific explanation for the fossil record of ancient life-forms, as well as for the molecular and structural similarities observed among the diverse species of living organisms.

SCI.9-12.L.4.3.1.f: Science

Species evolve over time. Evolution is the consequence of the interactions of (1) the potential for a species to increase its numbers, (2) the genetic variability of offspring due to mutation and recombination of genes, (3) a finite supply of the resources required for life, and (4) the ensuing selection by the environment of those offspring better able to survive and leave offspring.

SCI.9-12.L.4.3.1.g: Science

Some characteristics give individuals an advantage over others in surviving and reproducing, and the advantaged offspring, in turn, are more likely than others to survive and reproduce. The proportion of individuals that have advantageous characteristics will increase.

SCI.9-12.L.4.3.1.h: Science

The variation of organisms within a species increases the likelihood that at least some members of the species will survive under changed environmental conditions.

SCI.9-12.L.4.3.1.i: Science

Behaviors have evolved through natural selection. The broad patterns of behavior exhibited by organisms are those that have resulted in greater reproductive success.

SCI.9-12.L.4.3.1.j: Science

Billions of years ago, life on Earth is thought by many scientists to have begun as simple, single-celled organisms. About a billion years ago, increasingly complex multi- cellular organisms began to evolve.

SCI.9-12.L.4.3.1.k: Science

Evolution does not necessitate long-term progress in some set direction. Evolutionary changes appear to be like the growth of a bush: Some branches survive from the beginning with little or no change, many die out altogether, and others branch repeatedly, sometimes giving rise to more complex organisms.

SCI.9-12.L.4.3.1.l: Science

Extinction of a species occurs when the environment changes and the adaptive characteristics of a species are insufficient to allow its survival. Fossils indicate that many organisms that lived long ago are extinct. Extinction of species is common; most of the species that have lived on Earth no longer exist.

SCI.9-12.L.4.5.3.a: Science

Dynamic equilibrium results from detection of and response to stimuli. Organisms detect and respond to change in a variety of ways both at the cellular level and at the organismal level.

SCI.9-12.4.L.3.a: Science

Identifies and compares parts of a variety of cells

SCI.9-12.4.L.3.b: Science

Compares relative sizes of cells and organelles

SCI.9-12.4.L.3.c: Science

Prepares wet-mount slides and uses appropriate staining techniques

SCI.9-12.4.L.5: Science

Makes observations of biological processes

SCI.9-12.4.L.6: Science

Dissects plant and/or animal specimens to expose and identify internal structures
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