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Midterm Part 1 19-20

Total questions: 42

Worksheet time: 33mins

Name
Class
Date
1.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
2.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
3.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
4.
Chromatid pairs line up in the middle of the cell.
a)
Metaphase
b)
Telophase
c)
Anaphase
d)
Interphase
5.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
6.
Chromosomes duplicate, the cell grows and develops
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
7.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
8.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
9.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
10.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
11.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
12.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
13.
In August, how many metric tons did Clark's Paper Mill and Tyler Paper Mill produce all together?
a)
10
b)
70
c)
80
d)
90
14.

Which state is NOT included in the Chesapeake Bay Watershed?

a)

Virginia

b)

West Virginia

c)

Delaware

d)

North Carolina

15.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
a)
the size of the baby alligators
b)
the gender of the baby alligators
c)
the incubator
d)
the temperature
16.

What are the number of times each level of the independent variable is tested?

a)

constants

b)

control

c)

trials

d)

dependent variable

17.

Gravity is greatest when two objects are larger and closer together.

a)

True

b)

False

18.

Which of these choices explains why this model of the solar system cannot be correct?

a)

Earth does not have enough gravitational pull to be located in the center of the Solar System.

b)

Venus is larger than the Moon so it would be located closer to the center.

c)

Saturn has as much mass as Earth so it would be located in the center.

d)

Mars and Mercury have an equal amount of gravitational pull so should be on the same orbital pathway.

19.

Put in order the steps in cloud formation:

I. warm air rises and cools

II. water vapor condenses

III. Sun heats the Earth's surface

IV. millions of water droplets collect to form a cloud

V. humidity of the air increases

a)

I, II, III, IV, V

b)

V, IV, III, II, I

c)

III, I, V, II, IV

d)

III, I, II, V, IV

20.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

21.
The parts of an ecosystem that are currently living or that have once lived.
a)
Biotic Factor
b)
Abiotic Factor
c)
Species
d)
Biome
22.
The factors in an ecoysystem that have never had the ability to live.
a)
Biotic Factor
b)
Abiotic Factor
c)
Biome
d)
Community
23.
Polar bears have an adaptation that allows them to swim. What is most likely this adaptation?
a)
White coat
b)
Fat belly
c)
Small eyes
d)
Webbed Feet
24.
The feet of this bird tell us that this animal can...
a)
Run fast
b)
Swim 
c)
Fly fast
d)
Climb rocks 
25.
The physical appearance of a trait is known as the-
a)
genotype
b)
phenotype
c)
characteristics
d)
intelligence
26.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
27.
Which statement most accurately describes the temperature trend in the Troposphere? Temperatures...
a)
rise with increasing altitude above the Earth
b)
rise then fall with increasing altitude above the Earth
c)
decrease with increasing altitude above the Earth
d)
remain constant with increasing altitude above the Earth
28.
What part of our atmosphere is where the ozone layer is?
a)
Stratosphere
b)
Troposphere
c)
Mesosphere
d)
Thermosphere
29.

Producers are ...

a)

plants

b)

able to do photosynthesis

c)

also called autotrophs

d)

all of these are true

30.

Photosynthesis is important because...

a)

it makes carbon dioxide

b)

it makes food for the food webs

c)

it makes water

d)

it's not important

31.
Gas giants
a)
Inner planets
b)
Outer planets
c)
Both
d)
Venus
32.

Which type of cell contains a cell wall, chloroplast, and chlorophyll?

a)

Animal Cell

b)

Plant Cell

c)

Both

d)

Neither

33.
Which of these pictures shows a plant under a microscope?
a)
A
b)
B
c)
C
d)
D
34.

what organism does not belong to the Fungi Kingdom?

a)

grass

b)

mushrooms

c)

yeast

d)

mold

35.
a)
Warm Front
b)
High Air Pressure
c)
Cold Front
d)
High Temperatures
36.
Choose the best forecast for Los Angeles on Saturday.
a)
cooler temperatures
b)
warmer temperatures 
c)
low pressure
d)
snow
37.

The shape of the DNA molecule is a __________________?

a)

"S" wave

b)

double helix

c)

tripple rope

d)

flex curve

38.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
carbon dioxide + water --> oxygen + glucose
b)
carbon dioxide + glucose + water --> oxygen 
c)
oxygen + water --> carbon dioxide + glucose
d)
glucose+ oxygen ---> water + carbon dioxide 
39.

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

a)

Natural Selection

b)

Selective Breeding

c)

Random mutations

d)

Variations in a species

40.

Who is considered the "father" of modern genetics?

a)

Einstein

b)

Mendel

c)

Disney

d)

Hooke

41.

Two organisms in the same species have more in common than two organisms in the same genus.

a)

True

b)

False

42.
a)

lol

b)

sksksksksksksk

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