stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
2023 MCAS Life Science Review Flashcards | StudBud
Explore
/
2023 MCAS Life Science Review
2023 MCAS Life Science Review
26 terms
·
StudBud Administration
·
655 plays
Contains 2014 and older MCAS questions.
Flashcards
26 cards
F
Practice quiz
P
Host live
L
Questions
26
Answers
1
The terms gas exchange, diaphragm, and inhale are closely linked with this human body system?
respiratory
excretory
circulatory
digestive
2
Which of the following structures is
not
present in animal cells?
mitochondria
cell wall
cell membrane
nucleus
3
Which of the following organisms would most likely decline if small animals were eliminated?
earthworms
grasses
hawks
mushrooms
4
The diagram below shows the evolutionary relationship of several primates.
Spider monkeys and lemurs evolved at the same time.
Lemurs were the most recent to evolve
Gorillas and baboons evolved from a common ancestor.
Gorillas evolved directly from chimpanzees
5
Comparing the skeletons of fish would best show the evolution of a fish species?
The same fish before it received a cut and after it healed.
The same fish after it hatched and when it's full grown.
A male fish and female fish that could produce offspring
A fish that lived recently and a fish that lived a long ago.
6
What are the basic structural units of living organisms?
nuclei
tissues
organs
cells
7
The diagram below shows chromosomes from a cell after being photographed under a microscope.
What sex is the organism?
How does the organism obtain its food?
Is the organism endangered?
Where is the organism’s ecosystem?
8
What would most likely be used to classify a new organism into the appropriate kingdom?
the color of the organism
he location where the organism was found
the organism’s natural habitat
the structure of the organism’s anatomy
9
Removing decomposers completely from an ecosystem would GREATLY affect
the recycling of nutrients
the spread of disease
the availability of water
the distribution of organisms
10
Which of the following best describes the purpose of the chromosomes in the nucleus of a cell?
to store the genetic instructions needed to specify traits
to protect the cell from microorganisms
to release energy by breaking down food molecules
to transport nutrients into and out of the cell
11
What characteristic of this ecosystem is best indicated from this graph?
Species B will reproduce more rapidly than species A.
Species B was more abundant at the beginning than species A
Species B may replace species A in this environment
Species B was preferred as food over species A
12
The diagram below shows a cell. Where would this cell most likely be found?
mushroom
leaf
frog
bark
13
Which of the following is an example of asexual reproduction?
Seeds form in pine cones after pollen reaches the cones.
Turtles lay fertilized eggs in a pit in the sand.
Fish release egg cells & sperm cells at the water's surface.
Trees send out root like extensions that produce new stems.
14
Which of the following is a product of photosynthesis?
sodium chloride
nitrogen
sugar
carbon dioxide
15
Which of the following forms of reproduction will the offspring differ mostly from the parent?
C
A
D
B
16
Lightning from a thunderstorm strikes a tree that falls to the forest floor and dies.
producers
decomposers
consumers
predators
17
Which of the following organisms produces energy from sunlight?
grass
sponge
rabbit
worm
18
Which cellular organelle uses oxygen and glucose to provide energy to the cell?
nucleus
ribosomes
vacuole
mitochondrion
19
More leaves equals more water loss. Which of the following is better suited for a desert?
B
C
A
D
20
The drawings below show a turtle embryo and a chicken embryo.
The chicken has more offspring than the turtle.
The chicken and the turtle share a common ancestor.
The turtle is more advanced than the chicken.
The turtle and the chicken are similar as adults.
21
The following diagram shows a caterpillar, mold, and a fern.
They are made of cells.
They produce their own food.
They are disease-causing organisms.
They decompose other organisms.
22
The diagram shows the beaks of five species of birds that developed from one parent species.
Each beak shape is an adaptation to specific source of food
Each beak shape protects birds from the different predator.
Each beak shape is designed to build different type of nest.
Each beak shape helps the birds to produce different songs.
23
Which of these numbered drawings represents a tissue?
1
3
2
4
24
Which of the following best describes the process of natural selection in a population?
Some respond to their environment by mutating for survival.
All adapt to specific changes slowly in environment.
All develop traits to match changes to environment.
Some have genetic differences that makes survival likely.
25
Carbon dioxide produced by cells is removed from the body primarily by which body system?
excretory
digestive
respiratory
immune
26
Which of the following can be used to separate these organisms into three different groups?
length of lifespan
presence of a nucleus
method of movement
number of offspring
