Big bio test

Question 1

Producer

Answer 1

an organism that creates its own food

Question 2

Consumer

Answer 2

a organism that cant create its own food

Question 3

How much of energy is passed to each trophic level and why

Answer 3

10% because of heat loss

Question 4

What is a limiting factor

Answer 4

a resource or a conditon that restricts a systems growth

Question 5

Abiotic limiting factor

Answer 5

a non-living environmental component that restricts the growth of organisms in an ecosystem

Question 6

Biotic limiting factor

Answer 6

a living component that restricts the growth of organisms in an ecosystem

Question 7

On a graph what goes on the x axis

Answer 7

Independent Variable

Question 8

Independent Variable

Answer 8

Variable that is changed

Question 9

On a graph what goes on the y axis

Answer 9

dependent variable

Question 10

Dependent variable

Answer 10

What is being affected in an experiment

Question 11

What happens when a population is above carrying capacity

Answer 11

The population will likely decline due to a lack of resources

Question 12

What happens when a population is below carrying capacity

Answer 12

The population will likely increase due to abundance of resources

Question 13

Niche Partitioning

Answer 13

competing species evolve or adapt to use resources differently, allowing them to coexist in the same ecosystem

Question 14

Natural Selection

Answer 14

the process where organisms with traits better suited to their environment are more likely to survive

Question 15

Variation

Answer 15

differences in traits among organisms

Question 16

Adaptive Value

Answer 16

A trait that enhances an organisms survival success

Question 17

Gene

Answer 17

a segment of DNA that contains the instructions for building specific proteins

Question 18

DNA

Answer 18

the molecule that carries the genetic instructions

Question 19

Gel electrophoresis

Answer 19

Separates biomolecules like DNA and proteins based on their size

Question 20

Why must the DNA samples be loaded on the negative side of gel

Answer 20

DNA is negatively charged so it goes towards the posotive

Question 21

Chromatin

Answer 21

DNA that forms chromosome

Question 22

Chromosome

Answer 22

a thread like structure of DNA

Question 23

Chromatid

Answer 23

One of two identical halves of a duplicated chromosome, joined together at a single centromere

Question 24

What is the end result of mitosis

Answer 24

2 identical daughter cells

Question 25

Interphase

Answer 25

DNA replication (Chromatin form)

Question 26

Prophase

Answer 26

Chromosomes form nucleus disinigrates spindle fibers form (Chromosomes form)

Question 27

Metaphase

Answer 27

Chromosomes line up in the middle of the cell (Chromosomes form)

Question 28

Anaphase

Answer 28

sister chromatids separate (Chromatin form)

Question 29

Telophase

Answer 29

Cell membrane starts to pinch in 2 new nuclei form (Chromatin form)

Question 30

Cytokinesis

Answer 30

Divison of cytoplasm into 2 new daughter cells (Chromatin form)

Question 31

Phases of cell cycle

Answer 31

Interphase Prophase Metaphase Anaphase Telophase Cytokenisis

Question 32

Chlorophyll

Answer 32

absorbs light energy for photosynthesis

Question 33

ATP

Answer 33

Primary energy currency of cells

Question 34

Photosynthesis Equation

Answer 34

Water + Carbon Dioxide= (H2O + CO2) = Glucose + Oxygen (C6 H12 O6 + O2)

Question 35

Cellular Respiration Equation

Answer 35

Glucose + Oxygen = (C6 H12 O6 + O2) = Water + Carbon Dioxide (H2O + CO2)

Question 36

Type of cell for photosynthesis

Answer 36

Plant cells

Question 37

Type of cell for cellular respiration

Answer 37

Plant cells and animal

Question 38

Organelle used for photosythesis

Answer 38

Chloroplast

Question 39

Organelle used for cellular respiration

Answer 39

Mitocondria

Question 40

Energy transformation in photosythesis

Answer 40

Light energy

Question 41

Energy transformation in cellular respiration

Answer 41

Chemical energy