Coldest continent on the planet
Biggest restriction to plant growth in the Antarctic
Characteristics of an organism that help it to survive in its environment
Thin layer of soil that thaws throughout the year
Example of a vascular plant
Lack of precipitation
Development in size
Adaptation to conserve water
Ability to survive on bare rock
Areas of the Earth half referred to as 'of Cancer'
Adaptation that prevents water being lost through transpiration by trapping the water particles
Prevents animals from eating the organism
Fleshy plants that retain water
A change or slight difference in condition
Invisible line along the circumference of the Earth
The surroundings or conditions in which an organism operates
The natural home or environment of an organism
Climate or conditions; difficult to survive in
Of or during the day
The state of the atmosphere at a particular place and time
the period between the birth of one generation and the birth of the next generation
the formation of new species as a result of evolution
the process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do
a characteristic that improves an individuals ability to survive and reproduce in a particular environment
a group of organisms that are closely related and can mate to produce fertile offsring
the process in which inherited characteristics within a population change over generations such that new species sometimes arise
the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock
a historical sequence of life indicated by fossils found in layers of the earths crust
a genetically determined characteristic
the human practice of breeding animals or plants that have certain desired traits
any method of determining whether an event or object is older or younger than other events or object
any method of measuring the age of an object or event in years
the theory that explains how large pieces of the Earths outermost layer, called tectonic plates, move and chage shape
parenchyma tissue with connected air spaces.
thick, tough secondary walls impregnated with lignin
tubes with pits rather than openings at the ends.
outermost layer of cells
most abundant of the cell types found in the major parts of higher plants.
conducts dissolved food materials produced by photosynthesis.
pairs of cells that border stomata.
chief conducting tissue of water and minerals.
provide flexible support for growing and mature plant organs. extra primary wall in the corners.
component of the waxy outer coating of aquatic plant leaves.
Certain cells associated with sieve tube
Tissue only meant for growth
Non living factors in an environment.
Things having been changed to help the creature survive or better change to its habitat/situation.
Opposite of descendant.
One of the five Kingdoms, not plants, fungi, prokaryotes or the eukaryotes.
Living organism which feeds mainly on living matter. Can be domesticated.
An invertebrate animal of the large phylum Arthropoda, such as an insect, spider, or crustacean. Arachnids are also classed under this.
The standard amount of something that is taken as 'normal' / usual.
The type of adaptation involving, relating to, or emphasizing behaviour.
Variety of plant and animal life in the world/particular habitat, a high level being considered important.
Relating to the living organism/factors in the environment.
Something that is the main ingredient in making plant cell walls.
Series of questions and instructions to help identify an unknown object/organism.
All the living organisms in a certain area.
Organisms that get their energy by eating other living organisms.
Organisms that feed on dead plant and animal materials that help them to decay.
An animal that feeds on dead organic material.
Opposite of nocturnal; sleeping during the day.
The role and position a species has in its environment, how it meets its needs for food and shelter, how it survives, and how it reproduces also the Abiotic and Biotic factors.
A graphical model that illustrates the flow of energy through different forms of life in an ecosystem.
The branch of biology which deals with the relations of organisms to one another and to their physical surroundings.
Biological community of interacting organisms and their physical environment in which they live.
Surroundings or conditions in which a person, animal, or plant lives/operates.
The type of substance Rennet is.
An educated guess/roughly calculated.
Organism with membranes around the organelles, also having a nucleus.
Over the years, having developed and grown/changes. eg. Monkey to man.
Type of variable. Something that can change and influence the result.
The number of Kingdoms.
The show of energy transfer through interacting organisms, the feeding relationship between all the biotic components.
Shows all the interlinked chains/connections of food.
a change or the process of change by which an organism or species becomes better suited to its environment.
the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.
an animal that feeds on flesh.
the number of people or things that can be conveyed or held by a vehicle or container.
a group of organisms or a population of different species occupying a particular area.
a biological community of interacting organisms and their physical environment.
a region of transition between two biological communities.
originating in or characteristics of a foreign country.
spieces no longer having members.
a hierarchical series of organisms each dependent on the next as a source of food.
wild mammals or birds hunted for sport or food.
the natural name or environment of an animal, plant, or other organism.
an animal that feeds on plants.
the condition or period of an animal or plant spending the winter in a dormant state.
an insectivorous animal or plant.
environment conditions that limit the growth, abundance, or distribution of an organism.
materials or substance such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.
active at night.
an animal or person that eats food of both plant and animals origin.
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
wild animals collectively; the native fauna of a region.
the manipulation of wildlife populations and habitat to achieve a goal.
a cud-chewing animal with a complex stomach often divided into four chambers.
any predatory bird that has feet with sharp talons or claws adapted for seizing prey and a hooked beak for tearing flesh.
the home of an organism
the role of an organism in an ecosystem
anything that controls the growth or survival of a population
the struggle among living things for food, water or other resources
a specific classification of a plant or animal that is not native to an ecosystem
any characteristic that helps an organism survive in its environment
______________ adaptations are adjustments to internal or external body parts
an adaptation by which an animal can hide by blending in with its surroundings
an adaptation in which one kind of organism has similar traits to another
_________________ adaptations are a way of acting that helps an organism survive in its environment
____________ behaviors are those that are developed through practice and experience
a seasonal movement of animals
an inherited trait that helps an organism survive
the process by which species of organisms with traits best suited to their environment are most likely to survive and reproduce
the struggle among organisms for food and space
Even though whales, horses, and bats don't look anything like humans, we actually share a lot in common, like live births & warm-blooded. Scientists think its because we all share a common ___.
Charles Darwin traveled all over the world on this ship.
differences in traits in a population of organisms
traits can be passed down to offspring through genes
blending in with the environment
a characteristic of an organism
scientist who wrote "On the Origin of Species..."
Darwin famously described the adaptations of these island birds
Darwin observed adaptations on these islands
organisms develop adaptations that help them survive in their ____.
natural selection occurs over many _____.
amount of food, water, shelter, etc. that control populations
where variations come from
something an organism does
the way an organism is built
when an organism looks or behaves like another kind of organism
the deliberate breeding of plants or animals for desired traits
an adaptation that is INSIDE an organism's body
an adaptation that is OUTSIDE an organism's body
A part of some plants that grows underground. It is used as food (energy) storage for the plant during cold seasons.
An internal structure of a plant that resembles tubes. These structures transport water and nutrients from the plant's roots to its stem and leaves. (similar to circulatory systems of animals)
An internal structure of fish that allow them to survive underwater by taking in oxygen through the water.
how well an organism is suited to its environment
organisms produce more offspring than can survive in an environment
there must be a _____ to survive for selection
An explanation that has a large amount of scientific evidence to support it
Any structure, such as a leg or an antenna, that grows out of an animals body
An inherited behavior that helps an organism survive
A key for the identification of organisms based on a series of choices between alternative characters
Those species that have been brought under human control and that have adapted to life with humans
A change in a species over time
When a species no longer has any living individuals
A segment of DNA on a chromosome that codes for a specific trait
Response to Earth's gravity, as the growing of roots downward in the ground
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
A plant's growth response to water; plant grows towards the water
A change from within an organism, such as hunger and thirst, that causes the organism to respond
A change in a gene or chromosome
Changes in genetic traits over many generations based on an organism's ability to survive and reproduce
Anything outside the body that can cause a response in an organism
A biome that can be in both temperate and tropical climates and is covered in deep rooted grasses that are well adapted to drought
Very cold and dry biome located in the Northern hemisphere that has very little vegitation
Found around the equator and has a wet and warm climate year round allowing for the growth of a dense canopy of tall trees
Occurs in both temperate and tropical reigions with hot days and cold nights. Rainfall is minimal in this biome and the plants and animals are adapted to reduce water loss
The non-living components of the environment such as soil, sunlight and air
How hot or cold a climate is and a major factor that influences the characteristics and distribution of biomes
Characteristics that help an organism to better survive and reproduce
a grassland biome with scattered individual trees, large herbivores, and three distinct seasons based primarily on rainfall, maintained by occasional fires and drought
Lakes, ponds, and rivers
This aquatic biome is home to diverse animals and crustaceans that have adapted to life in the water Ex; sharks, tropical fish, sea turtles
Some of these plants are poison oak, scrub oak, Yucca Wiple and other shrubs, trees and cacti.
the coral tissue and actually is what gives corals their beautiful colors
The driest and hottest place on earth
Some areas are so deep that they can contain entire mountains and even volcanoes
mix of organisms that coexist in a defined space, but on a much smaller scale
The area of the Great Plains where wind erosion caused soil loss during the 1930's.
The solid layer of rock beneath the soil.
The layer of soil that differs in color and texture from layers above or below it
Plowing fields along the curves of a slope to prevent soil loss.
A thick mass of grass roots and soil.
The planting of diffrent crops in a field each year to maintain the soils fertility
A chemical change in which a substance combines with oxygen, as when iron oxides, forming rust.
The loose, weathered material on Earth's surface in which plants can grow.
Characteristics of a material that is full of tiny, connected air spaces that water can seep through.
Soil conservation method in which the dead stalks from previos year's crop are left in the ground to hold the soil in place.
The managment of soil to prevent it's destruction.
The grinding away of rock by other rock particles carried in water, ice, or wind.
The loose layer of dead plant leaves and stems on the surface of the soil.
Soil organism that breaks down the remains of organisms and digets them.
The chemical and physical process that can break down at Earth's surface
Process that splits rock when water seeps into cracks, then freezes and expands.
Anything in the environment that humans use.
Dark colored organic material in soil.
The type of weathering in which rock is physically broken into smaller pieces.
The process that breaks down rock through chemical changes.
Rich, fertile soil that is made up of about equal parts of clay, sand, and silt.
The process by which water, ice, wind, or gravity moves weathered rock or soil.
Mixture of humans, clay, and other minerals that forms the crumbly, top most layer of soil.
The geologic principle that the same geologic process that operate today, operated in the past to change Earth's surface.
A measure of how well soil supports plant growth.
The layer of soil beneath the top soil that contains mostly clay and other minerals.
The average weather for a region over a long time period
A change in the quality of the environment that can adversely affect the heaalth of humans or other living organisms
The ___ Layer has holes in it due to global warming
___ ___ is another name for global warming
_____ energy: direct radiant energy from the sun
_____ dioxide is what we exhale
Process that occurs in living green plants where carbon dioxide is converted to oxygen
The mixture of gases surrounding the earth
Planet _____ is heating up because of global warming
You can _____ a plastic bottle
_____ gases can cause global warming