Life Science Mock Milestones
1.
The diagram shows fossils embedded in rock layers.
Based on the diagram and the table, when was fossil 1 formed?
A) after any other labeled fossils
B) before any of the other labeled fossils
C) after fossil 2, but before 3, 4, and 4
D) before fossil 2, but after 3, 4, and 5
2.
Partulina snails were once found throughout Hawaii. There are no longer any Partulina snails in existence. What factor
may have led to the snail’s extinction?
A) increased building on the islands
B) an increase in its food source
3.
C) developing thicker shells
D) hurricane season
The Great Barrier Reef is home to many types of different animals, including sea turtles, coral, sea snakes, great
white sharks, shrimp, and giant clams. What do all these animals have in common?
A) They are all producers.
B) They are all consumers.
4.
C) They are all herbivores.
D) They are all top-level carnivores.
How does the asexual reproduction of a lily differ from sexual reproduction? All
BUT ONE statement describes a difference between asexual and sexual
reproduction of this lily, namely:
A)
B)
C)
D)
Asexual reproduction only requires one plant.
A sexual reproduction requires only that one flower present.
Sexual reproduction requires both male and female flower parts.
Sexual reproduction requires an egg and pollen containing sperm.
5.
Messenger RNA carries a(n)
of the DNA’s instructions out of the nucleus to the
A) exact copy; ribosome
B) transcript; ribosome
6.
.
C) exact copy; mitochondria
D) transcript mitochondria
Based on the organization of living things, how could we classify the pollen produced
by this flower?
A)
B)
C)
D)
an organ that is part of a system
a group of cells that form an organ
begins as a cell and is part f the system without organs
begins as a cell, comes from an organ, is part of a system
7.
Primary producers include plants, algae, and cyanobacteria. The amount of biomass produced yearly
by the producers in an area is known as primary productivity.
Rank the following biomes in order of greatest to smallest primary productivity.
A)
B)
C)
D)
Temperate Forest - > Tropical Rainforest- > Taiga-> Tundra
Taiga- > Tropical Rainforest - > Temperate Forest - > Tundra
Tropical Rainforest - > Temperate Forest - > Tundra - > Taiga
Tropical Rainforest - > Temperate Forest - > Taiga - > Tundra
8.
The greatest biodiversity on earth is found in the
A) taiga
B) grasslands
9.
C) deciduous forest
D) tropical rainforest
The kingdom, Protista, includes
A) most viral agents.
B) prokaryotic organisms.
10.
biome.
C) yeasts and bread molds.
D) most single-celled eukaryotes.
Organisms that reproduce sexually produce sex cells
or gametes via meiosis while body or somatic cells are
produced via mitosis. As noted in the Venn diagram,
somatic cells are 2N while gametes are N.
What process restores the 2N chromosome number in
a zygote’s somatic cells for growth and development
to continue?
A) differentiation
B) fertilization
C) replication
D) transcription
11.
In this simple food chain, the organism that converts solar energy into usable
chemical energy is missing. That would be the
A) omnivore.
C) herbivore
B) producer.
D) first level consumer.
12. To ensure its survival, any species must be able to
A) kill competitors.
B) reproduce successfully.
C) obtain enough energy through food.
D) maintain internal body homeostasis.
13. Photosynthesis involves the transformation of light energy into
A) kinetic energy.
B) chemical energy.
14.
C) mechanical energy.
D) hydroelectric energy.
form he majority of plasma membrane of cells.
A) Fats
B) Phospholipids
C) Steroids
D) Triglycerides
15.
The biome pictured above is found in areas such as Kenya and South Africa. The land is grass-covered with very
few trees and gazelles and other grazers are common here. Why does this biome have a low population of trees?
A)
B)
C)
D)
Large grazing animals destroy the trees.
It is a deforested rainforest with poor soil.
It has high temperatures and low precipitation.
It has a long rainy season followed by flooding.
16.
About 500 million years ago, trilobites such as this were common
that once covered much of Indiana. Violent storms often
occurred in the same area and the trilobites were covered quickly by
sediment, hidden for hundreds of millions of years.
A) along riverbanks
B) in the sandy plains
C) in warm, shallow seas
D) throughout the mountains
17. Which BEST illustrates a relationship between a producer and a consumer.
A) a zebra eating grass
B) a snake eating a rodent
C) a bird eating an insect
D) a barnacle attached to a whale
18. African cichlids are a group of closely related fish species. There are at least 500 known species living in
three small lakes. Over time, specialized teeth and body colorations have evolved for each species in response
to mutations and competitions for food and mates. This change over time is an example of
A) coevolution.
B) adaptive radiation.
C) convergent evolution.
D) vestigial structures.
19. The population of mice in a local forest ecosystem has recently died out due to disease. In the past these mice
made up a large part of the diet of the forest fox.
What is the best prediction about what will happen to the foxes?
A)
B)
C)
D)
The drop in the mouse population will lead to a drop in the fox population.
The drop in the mouse population will lead to no change in the fox population.
The drop in the mouse population will lead to an increase in the fox population.
The increase in the mouse population will lead to the an increase in the fox population.
20.
What part of the food chain would thee owl NOT
select as his favorite food substance?
A) frog
B) mouse
C) grain
D) snake
21.
Identify the same structure of the human heart
which is a muscular chamber that pumps out of
the heart into the circulatory system.
A) atrium
B) ventricle
C) coronary artery
D) pulmonary artery
22. What plant and its adaptation would be LEAST adapted for survival in an estuary ocean biome?
A)
B)
C)
D)
mangrove trees with large aerial roots
eel grass which survives submerged in saltwater
hosta lilies with large leaves to collect light in shade
rush grass with dense fibrous roots that anchor it in thick mud
23. Most living things need oxygen to survive. You breathe in oxygen and it is carried to this organ. Here the red
blood cells pick up the oxygen and carry the oxygen to all the body cells that need it. What is this organ?
A) diaphragm
B) heart
24.
C) lungs
D) trachea
Based on the pyramid, which organism(s)
provides the MOST available energy?
A)
B)
C)
D)
predator fish
birds and mammals
insects and zooplankton
phytoplankton and bacteria
25. Everglades National Park has a very large population of white-tailed deer. Which of these changes within this
habitat is MOST LIKELY to harm only weaker, older deer, but not younger and heathier deer?
A)
B)
C)
D)
a drought which decreases the food supply
a slight increase in the Florida panther population
a fire that burns thousands of acres of the Everglades
a large increase in the number of cars driving through the Everglades
26.
Glands in your neck contain digestive enzymes that help digest starch. Cells
that produce and package digestive enzymes must contain relatively large
amounts of
and
in comparison to other cells.
A)
B)
C)
D)
lysosomes; ribosomes
ribosomes; Golgi bodies
mitochondria; ribosomes
Golgi bodies; mitochondria
27. _______________ was demonstrated in the darkening of the population of the peppered moth in Europe over a
relatively short period of time.
A) Natural selection
B) Natural integration
C) Kettlewell adaptation
D) Industrial modification
28. In order for a population to survive, sexual reproduction must produce
A) more females than males.
B) more males than females.
C) more offspring that can survive and reproduce.
D) a large number of self-fertilized individuals.
29. How do algae, cyanobacteria, and plats produce their own food?
A) They consume and producers.
B) They fix nitrogen with the atmosphere.
C) They exchange RNA with other organisms.
D) They convert sunlight into chemical energy.
30.
Kingdoms of Life
Dichotomous Key
Kingdom
1a
Cells without organelles
Go to 2
1b
Cells with organelles
Go to 3
2a
Cell walls with peptidoglycan
Eubacteria
2b
Cells walls without peptidoglycan
Archaebacterial
3a
Unicellular and multicellular; some with
cell walls of cellulose
Protista
3b
Most multicellular; cell walls with chitin
Fungi
3c
Multicellular
Go to 4
4a
Autotroph; cell walls of cellulose
Plantae
4b
Heterotroph; no cell walls
Animalia
According to the dichotomous key, the amoeba seen in the illustration would belong to the kingdom
A) Eubacteria.
B) Fungi.
C) Plantae.
D) Protista.