Butterflies taste with their legs, while humans taste with their tongues. In this way, butterflies' legs and humans' tongues are __________ structures.
1 point
1
Question 2
2.
The more homologous structures two species have, the __________closely related they may be.
1 point
1
Question 3
3.
Using _______ anatomy or embryology, scientists study the similarities and differences among the structures in living species.
1 point
1
Question 4
4.
Vestigial structures are remnants of organs or structures that had a function in an early ancestor but no longer serve a purpose.
1 point
1
Question 5
5.
What statement is true about the rock layers below?
1 point
1
Question 6
6.
Species become _______ when they cannot adapt to environmental changes.
1 point
1
Question 7
7.
The changes over time in the inherited traits of a type of organism are __________.
1 point
1
Question 8
8.
What type of organisms do scientist usually agree that birds are descended from?
1 point
1
Question 9
9.
What does the figure suggest?
1 point
1
Question 10
10.
Extinctions can be caused by gradual environmental changes, such as mountain formation, or rapid ones, such as volcanic eruptions.
1 point
1
Question 11
11.
All organisms on Earth have genes that are made of DNA and function in a similar way.
1 point
1
Question 12
12.
Pharyngeal pouches are found in all vertebrate embryos.
1 point
1
Question 13
13.
How are tissues related to organs in the body?
1 point
1
Question 14
14.
What are the different types of animal tissues?
1 point
1
Question 15
15.
What are the different types of plant organ systems?
1 point
1
Question 16
16.
Which of the following statements is true?
1 point
1
Question 17
17.
Plants have organ systems.
5 points
5
Question 18
18.
Put the following items in order from smallest to largest
Draggable item
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Corresponding Item
Cell
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1 (smallest)
Organ
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2
Population
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3
Organ System
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4
Organism
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5
Community
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6
Biosphere
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7
Ecosystem
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8
Tissue
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9 (Largest)
1 point
1
Question 19
19.
Which of the following is stored in the skeletal system?
1 point
1
Question 20
20.
1 point
1
Question 21
21.
What is the function of peristalsis?
1 point
1
Question 22
22.
Food enters the human body through the _____.
1 point
1
Question 23
23.
Digestion begins in the mouth with chewing and food mixing with _______, which begins to break down food.
1 point
1
Question 24
24.
Through what structures does absorption occur in the small intestine?
1 point
1
Question 25
25.
Which of the following is a synonym for the circulatory system?
1 point
1
Question 26
26.
Where in your body can you find blood vessels? Choose the best answer.
2 points
2
Question 27
27.
Oxygen moves between the respiratory system and the circulatory system when it transfers from __________to __________.
1 point
1
Question 28
28.
Auditory receptors detect light.
1 point
1
Question 29
29.
Of the following, which is NOT a sense organ?
1 point
1
Question 30
30.
If an area of your body is very sensitive, what can you conclude about that area?
1 point
1
Question 31
31.
The leaf is a vital organ used for photosynthesis. It is made of more than 1 type of tissue.
1 point
1
Question 32
32.
The human skeleton can be divided into 2 parts, the axial, which is the core, and the appendicular, which are the limbs.
1 point
1
Question 33
33.
Which of the following is an organ system? ​
1 point
1
Question 34
34.
What type of human tissue is most similar to dermal tissues in plants?
1 point
1
Question 35
35.
Why is cartilage important? ​
1 point
1
Question 36
36.
What is made inside bones? ​
1 point
1
Question 37
37.
What type of muscle is most important to moving food through the ​
digestive system? ​
1 point
1
Question 38
38.
Gloria finds four sources of information about animals’ sensory receptors and how the receptors cause different responses in animals.
Which source will most likely provide Gloria withaccurate and reliable information?
1 point
1
Question 39
39.
Of the following, which is NOT a function of blood?
1 point
1
Question 40
40.
Which of the following is NOT one of the five human senses?
1 point
1
Question 41
41.
Removal of waste products in the body is called __________.
1 point
1
Question 42
42.
A difference in beak shape among members of the same finch species is an example of variation.
1 point
1
Question 43
43.
Food we eat has most likely been modified through selective breeding.
1 point
1
Question 44
44.
Which of the following is a behavioral adaptation?
2 points
2
Question 45
45.
Choose ALL that apply.
An adaptation is _______.
1 point
1
Question 46
46.
A mutation can be inherited.
2 points
2
Question 47
47.
Match the nitrogenous base with it's pair.
Draggable item
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Corresponding Item
Thymine
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Thymine
Cytosine
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Guanine
Guanine
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Adenine
Adenine
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Cytosine
1 point
1
Question 48
48.
Gregor Mendel observed that pea plant traits did not blend in their offspring. This led him to conclude that:
1 point
1
Question 49
49.
Most mutations occur randomly.
1 point
1
Question 50
50.
Where is DNA mostly found?
1 point
1
Question 51
51.
What is a common ancestor?
1 point
1
Question 52
52.
A population of beetles changing from yellow to brown and surviving better is an example of __________.
1 point
1
Question 53
53.
The average size of a grocery store chicken has more than doubled in the past century. What is the most likely reason for this change?
1 point
1
Question 54
54.
How do mutations affect natural selection?
1 point
1
Question 55
55.
How is genetic engineering different from artificial selection?
1 point
1
Question 56
56.
What does a Punnett square show in terms of genetics?