Science vocabulary midterm review
Terms
undefined, object
copy deck
- mutation
- a change in a genes information
- Endangered Species
- a species with so few living members that it is in danger of becoming extinct
- Cytoplasm
- a gel-like substance in which cell parts move and where many of the cell's life activities take place.
- Community
- all of the populations living in an area
- Life Processes
- Grow and develop, take in chemicals, and energy, reproduce, release energy, respond to the environment and show organization
- Kingdom
- a group of organisms that share certain features
- Observation
- a careful examination of something using your senses
- Abiotic Factor
- nonliving things found in an ecosystem
- DNA
- small part of a gene, found in all human cells- "blueprint"
- Behavioral Adaption
- jobs of body parts controlling life processes that aid in survival
- meiosis
- the process that makes sex cells
- Decomposer
- organisms, such as bacteria or fungi, that feed on dead organisms and the waste material of other organisms.
- Physiological Adaption
- jobs of body parts controlling life processes that aid in survival
- variation
- diffrent ways a trait might appear
- Experiment
- a procedure designed to test a hypotheses
- asexual reproduction
- reproduction invoving one parent(identical DNA)
- Natural Selection
- the idea that those best adapted to their environment will survive and reproduce
- chromosomes
- a chromosome contains DNA. DNA is a chemical that controls what traits an organism will have
- chloroplast
- contains chlorophll. chlorophll is a chemical that traps energy from the sun
- Genetics
- the study of heredity
- sexual reproduction
- reproduction by two parents
- organ
- two or more types of tissues working together
- Threatened Species
- a species that is in need of protection but is not an immediate danger of extinction
- Selective Breeding
- the mating of plants or animals with certain traits to produce offspring with those traits
- Protective Coloration
- camouflage in which an organism's colors blend in with the colors of the surroundings
- Migration
- movement from one place to another
- tisssue
- a group of similiar tissues working together
- organ system
- a group of diffrent organs working together to do a specific job
- Niche
- the role an organism plays in an ecosystem
- Protective Resemblance
- Camouflage in which an organism looks like an object in its surroundings
- Hypothesis
- a statement about a problem that can be tested
- mitochondrian
- the energy the cell needs to carry out its life activities is released from food
- Biosphere
- The part of Earth where organisms can live
- Conclusions
- a decision about the hypothesis based on the results of the experiment
- Variable
- a factor in an experiment that can change
- Purebred
- An organism that contains two dominant or two recessive genes for a trait
- cell membrane
- a flexiable structure that helps control what enters and leaves the cell
- problem
- What you want to find out; what needs to be solved
- Hybrid
- An organism that contains two different genes for a trait
- Producer
- organisms that make their own food through photosynthesis
- Limiting Factor
- something that limits the size of a population
- mitosis
- process that produces two new cells exactly like the parent cell
- What do all living things need?
- water, energy, oxygen & minerals
- Ecosystem
- A system made up of organisms interacting with one another and with the nonliving parts of the system
- cell wall
- thick outer covering located outside the cell membrane. found only PLANT CELLS
- Structural Adaption
- a body part or covering that aids in survival
- Inference
- an explanation of what happened based on your observation
- Habitat
- the place where an organism lives out its life
- sex cells
- specialized cells that are used in reperduction
- Biotic Factor
- Makes up the living part of an ecosystem
- heredity
- passing on of traits from parent to offspring
- Ecology
- The study of the interactions in an ecosystem
- fertilization
- process in which sex cells join
- Dominant
- a gene that "masks" a recessive gene, "STRONG
- Gene
- small section of a chromosome that determines a trait
- cell
- the smallest unit of life
- Adaption
- any trait that helps a species survive
- Recessive
- a gene that is hidden by a dominant gene, "WEAK"
- Classification
- the grouping of objects based on common traits
- Population
- a group of the same type of organisms living in the same place at the same time
- Species
- A group of organisms that can breed with one another and produce healthy offspring.
- nucleus
- controls most of the cells activities
- Consumer
- an organism that eats other organisms
- vacuoles
- the storage area for food,water,minerals, and waste
- Mass Extinction
- the large scale dying out of many species over a short period of time