Midterm Review

Measure-ment Scientific Methods Ecology More Ecology Population Photo synthesis 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

100 Metric Unit for Mass

Gram

200 200 mm = ____ cm

20 cm

What is the reading on the graduated cylinder? 300 What is the reading on the graduated cylinder?

34.0 ml

What is the length of this worm in mm? 400 What is the length of this worm in mm?

75.0 mm

What is the reading on the balance beam below 500 What is the reading on the balance beam below

261.915 g

100 The hypothesis best supported by this graph is that these beetles are most active when Free from predators Wettest from dew Coolest with some sunlight Richest in Oxygen supply

Coolest with some sunlight

How would you label the X axis when graphing data from this chart? 200 How would you label the X axis when graphing data from this chart?

What is the independent variable? 300 A group of students hypothesize that the amount of alcohol produced (measured in ml) in fermentation depends on the amount of glucose supplied to the yeast. They want to use 5%, 10%, 15%, 20%, 25% and 30% glucose solutions. What is the independent variable?

The different concentrations of glucose used

What is the dependent variable? 400 A group of students hypothesize that the amount of alcohol produced (measured in ml) in fermentation depends on the amount of glucose supplied to the yeast. They want to use 5%, 10%, 15%, 20%, 25% and 30% glucose solutions. What is the dependent variable?

The amount of alcohol produced

What would be a good Control? 500 A group of students hypothesize that the amount of alcohol produced (measured in ml) in fermentation depends on the amount of glucose supplied to the yeast. They want to use 5%, 10%, 15%, 20%, 25% and 30% glucose solutions. What would be a good Control?

A test tube with 0% glucose solution

Name 2 abiotic factors that would be found in the fish aquarium 100 Name 2 abiotic factors that would be found in the fish aquarium

Temperature of the water Oxygen content of the water Amount of water Amount of light

Give an example of a community found in this aquarium 200 Give an example of a community found in this aquarium

Fish, Elodea, Snails

List components of an ecosystem that could be found in this aquarium 300 List components of an ecosystem that could be found in this aquarium

Fish, plants, snails, water, oxygen, sunlight

400 Define Niche

Niche is the role an organism plays in the environment

500 The regular progression of species replacement in an environment is called ____

Succession

What is found at the beginning of every food chain? 100 What is found at the beginning of every food chain?

Producers are found at the beginning of every food chain.

Transpiration is part of what cycle of matter? 200 Transpiration is part of what cycle of matter?

(transpiration is release of water from plants) Water Cycle (transpiration is release of water from plants)

300 Name the primary consumers in the food web shown

Deer, mouse, cricket

The shark and the remora are an example of what type of symbiosis? 400 The shark and the remora are an example of what type of symbiosis?

Commensalism

500 If the environment were to change dramatically, which plant type would most likely survive?

Wild Wheat because it has the greatest genetic diversity

100 According to the graph, what is the carrying capacity of the deer population in the environment?

70

200 Which level of the ecological pyramid has the highest amount of energy?

Algae

300 When organisms move into a given area from another area it is known as____

Immigration

400 The build up of pollutants in organisms at higher trophic levels in a food chain is known as _____

Biological Magnification

500 What would you expect to happen to the hare population shown in the graph if a predator of the lynx enters the food chain?

The hare population would increase (predator is being hunted so prey will prosper)

The ultimate source of energy for all living organisms is ____. 100 The ultimate source of energy for all living organisms is ____.

The Sun

Why is photosynthesis so important to all living things? 200 Why is photosynthesis so important to all living things?

Photosynthesis produces oxygen that is required for aerobic respiration

Where in the cell does photosynthesis occur? 300 Where in the cell does photosynthesis occur?

Chloroplasts

400 What is the equation for the major process that occurs in this organelle.

sunlight + chlorophyll + CO2 + H2O C6H12O6 + O2

Why does the oxygen level decrease during the night? 500 Why does the oxygen level decrease during the night?

Organisms are carrying on aerobic respiration that uses up oxygen Organisms are carrying on aerobic respiration that uses up oxygen. No photosynthesis is occurring during the night to replace oxygen being used up

Daily Double