29 terms

6th Science

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recessive
"Weaker" - An organism will only have a recessive trait if it receives that factor from both parents
Dominant
"Stronger" - When an organism has a dominant factor for a trait from either parent, the trait will show up in the offspring.
Hypothesis
An explanation that is based on prior scientific research or observations and that can be tested
Scientific Method
A series of steps followed to solve problems
Infer
To make a logical guess based on information
Observation
The process of obtaining information by using the senses
Independent Variable
The factor you change in order to see its effect
Dependent Variable
The factor that is being measured. This factor depends on something else in order to get a result
Adaptation
A feature of an organism that helps it survive in its environment.
Classification
The placing of things into groups of similar items.
genus
a group of organisms that share major characteristics and, therefore, are closely related
species
a single kind of organism, defined by the fact that it can reproduce among its own kind
Xylem
tissue that carries water and nutrients from the roots to the leaves
Phloem
tissue that carries sugar from the leaves to each of the plant's cells
spore
Structures that contain cells that can grow into new plants without joining with other cells.
Conifer
Cone-bearing gymnosperm that include pine, juniper, cedar, and cypress trees. Most trees with narrow, needle-like leaves that stay green all year long are conifers.
Monocotyledons or Monocots
Have one seed leaves that are called cotyledons. One of two groups angiosperm can be divided into based on their seed structure.
Dicotyledons or Dicots
Have two seed leaves that are called cotyledons. They are one of two groups angiosperm can be divided into based on their seed structure.
Ecosystem
An area where organisms interact with one another as well as with the nonliving parts of the environment
Biotic
Living parts of the ecosystem
Abiotic
Non-living parts such as climate, water, soil, nutrients, light, and air.
Nonrenewable resources
One that can't be replaced within a human lifetime
Renewable resource
One that can be replaced withing a human lifetime
Carbon Cycle
The movement through Earth's ecosystems of carbon as solids, liquids, or gases
Nitrogen Cycle
The movement of nitrogen in different forms from living organisms to the nonliving part of the environment
Deposition
The dropping or settling of eroded material
Weathering
The process of being broken down into smaller pieces
magma
melted rock within Earth
lava
once magma is exposed to Earth's surface it is called this
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