Biology Quizizz
When an animal cell goes through cytokinesis,__________
the cell membrane pinches off the 2 new cells.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
Community
Which is true of passive transport?
Moves from high to low concentration
A rabbit eats the grass, the snake eats the rabbit and the hawk eats the snake. Who has the most energy in this food chain?
The grass
Prokaryotic cells
are single celled organisms that do not have a nucleus or membrane bound organelles
The living portions of the ecosystem.
Biotic factors
An organism at the second trophic level would be considered a...
Herbivore
What kind of factor: predation?
density-dependent
Food, water, sunlight, shelter, and space are resources that are often __________.
limiting factors
Which organelle breaks down worn-out cell parts and digests substances in the cell?
lysosome
This produces 2 identical cells.
mitosis
An offspring will receive how many alleles from each parent to determine a specific trait?
one
The phenotype is the _______________.
physical appearance of an organism
98. Osmosis is the movement of _____ across a membrane.
water
In logistic population growth, the population will most likely stop growing at what size?
Carrying Capacity
This structure is only in plant cells. It is outside of the cell membrane and adds more support/structure to the plant.
Cell Wall
What organelle is responsible for letting things in and out of the cell?
Cell membrane
Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
Chloroplasts
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Co dominance
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
Cytoplasm
What packages proteins to be transported out of the cell?
Golgi body
Which term means "water-loving"?
Hydrophilic
Which term means "water-fearing"?
Hydrophobic
Organisms that feed on both living producers and other consumers.
Omnivores
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...
Osmosis
what are two types of passive transport?
Osmosis and diffusion
This type of cell needs a cell wall and chloroplast
Plant cell
A non-living factor that affects an ecosystem is called
abiotic factor
An organism that produces its own food supply from inorganic compounds is called a(an)
autotroph
This cellular structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
cell membrane
The main job of photosynthesis is to
convert sunlight energy into a chemical energy form
What causes genetic variation in meiosis?
crossing over of chromosomes
A complete set of chromosomes.
diploid number
The amount of energy that usually transfers from one trophic level to the next...
10%
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
50 % BB and 50% Bb
If the Diploid number of Carrots is 18, the haploid number is
9
How many alleles (letters) do each person carry for a trait?
2
The cell spends most of it's life in ________________.
Interphase
What is true about active transport?
It requires energy
The POWERHOUSE of the cell is the...It converts energy from food into energy the cell can use
Mitochondrion
symbiotic relationship in which both organisms benefit
Mutualism
What organelle controls the cell?
Nucleus
A secondary consumer will gain energy from what level consumer?
Primary Consumers
Bacteria cells are this type of cell
Prokaryote
What organelle In a cell makes proteins?
Ribosomes
This structure is a storage area for the cell. Plants usually have one large one.
Vacuole
Any thing or organism that regulates the size of a population of another organism is known as __________.
a limiting factor
Photosynthesis occurs in this organelle
chloroplast
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
crossing over
What kind of factor: flood?
density-independent
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and phosphate
G = green, g = yellow The genotype for a yellow plant is...
gg
An organism that relies on other organisms for food (another name for a consumer)
heterotroph
why do cells move things in and out?
homeostasis
having two of the same genes for the trait (sometimes called purebred).
homozygous
In which inheritance pattern are heterozygous individuals a blend of the dominant and recessive phenotypes
incomplete dominance
A living relationship between two species in which one organism is harmed is called...
parasitism
The cell membrane is made mostly of
phospholipid bilayer and proteins
The number of organisms per unit of area is called ____.
population density
A snake is eaten by a hawk. The hawk is the _______.
predator
The process of crossing over occurs in what phase of meiosis?
prophase 1
An allele whose trait only shows up when no dominant allele is present.
recessive allele
110. Which organelle makes proteins?
ribosomes
What will happen to the population when the death rate is larger than the birth rate?
shrink
What is the original source of almost all energy in most ecosystems?
sunlight
A cell in a hypotonic solution will
swell
In the S stage of interphase_______________
the DNA is replicated
ATP is
the cells usable form of chemical energy
Genotype refers to the ...
the possible combination of alleles in a gene
