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Science
Final Exam
22
Science
7th Grade
05/29/2016

Additional Science Flashcards

 


 

Cards

Term
Fungi- Hypae
Definition
The cells of all fungi (except for yeast) are arranged in structures called hyphae
Hyphae are the branching, threadlike tubes that make up the of multicellular fungi
What a fungi looks like depends on how the hyphae are arranged
The hyphae have digestive chemicals that break down the food into smaller substances that the fungus can absorb
Term
Fungi- Spores
Definition
When there is adequate moisture and food, fungi make spores
Cells at the tips of the hyphae divide to form spores
The spores grow into fungi that are genetically to the parent
Term
Fungit Fruiting Bodies
Definition
Fungi produce spores in reproductive structures called
Term
Fungi Asexual v Sexual (genetic exchange)
Definition
The hyphae of two fungi will grow together and is exchanged
Eventually a new, shared structure grows from the joined hyphae and produces
The spores develop into fungi that are different than both parents
Term
Fungi Decomposer
Definition
Many fungi break down the chemicals in dead plant matter returning vital nutrients to the soil
Without fungi performing this job, Earth could potentially be buried under dead plants and animals
Term
Fungi Positive and Negative Affects on Humans
Definition
Some fungi cause disease while others fight disease
Term
Fungi Lichen How does each part of a Lichen Benefit
Definition
A consists of a fungus and an algae or bacteria that live together in a mutualistic relationship
The fungus benefits from the food produced by the algae or autotrophic bacteria
The algae/bacteria obtains shelter, water, and minerals through the fungus
Over time, break down rock into soil in which other organisms are able to grow
Term
Plants Photosynthesis
Definition
the process in which plants make food
Carbon Dioxide + Water = Glucose + Oxygen
this happens when activated by sunlight
Term
Chloroplasts/Clorophyll
Definition
the structures in the plant's cells in which food in made
Term
Vascular Tissue v NonVascular
Definition
the 2 informal types of plants
non-vascular:
a plant that does not have a well developed system and gets food through osmosis
vascular:
plants with good systems and get food through their roots
Term
Xylem V Phloem
Definition
xylem:
the type of vascular tissue that moves food
phloem:
the type of vascular tissue that moves water
Term
Direction each material moves in plant
Definition
water moves up
food moves down
Term
Adaptations of plants
Definition
plants have adapted obtain and retain water, transport material, and support themselves
Term
What do they need to do to survive
Definition
plants must retain water, obtain water and nutrients, and stay in the ground
Term
Cuticle
Definition
the waxy, waterproof layer that covers most plant's leaves to prevent water loss
Term
Anton Leeuwenhoek
Definition
Bacteria (on his teeth)Microbiology
Term
Carolus Linnaeus
Definition
who formalized the modern system of naming organisms called binomial nomenclature.
Term
Diffusion
Definition
the process by which molecules move from an area of high concentration to an area of lower concentration
Term
Osmosis
Definition
the diffusion of water molecules
Term
Active v Passive Transport
Definition
active:
cell membrane using energy from that cell
Term
Cell Cycle
Interphase/Mitosis/Cytokinesis
Definition
interphase:
First stage of cell cycle, cell grows, makes copy of DNA, and prepares to divide into two daughter cells
Mitosis:

stage when cell's nucleus divides into two new nuclei, has four parts; prophase, metaphase, anaphase, telophase
Cytokinesis:
final stage of cell cycle, cytoplasm divides, organelles are divided between two new cellsī
Term
Replication/Multiplication of Viruses in Cell
Definition
viruses attach to cell and cause the cell to make copies of the viruses genetic material, and eventually burst out of the cell
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