The wearing away of surface features due to water, ice, wind, or living organisms is known as...
A. Weathering B. Erosion
C. Deposition D. Sediment
A. Weathering
True or False?
Pigs are classified as invertebrates?
False
When birds fly south for the winter, they are exhibiting...
A. courtship. B. mimicry.
C. learned behavior. D. instinctive behavior.
D. instinctive behavior.
True or False?
All bacteria is harmful to humans.
False
True or False
Volcanoes are always destructive forces.
False - They can also be constructive.
Which is not a characteristic of birds?
A. Warm-blooded B. Vertebrates
C. Has feathers D. Oviparous (lays eggs)
E. Cold-Blooded F. Beak
E. Cold-Blooded
Which human trait is MOST likely inherited from a parent?
A. learning to ride a bike B. holding a spoon
C. reading a book D. height
D. height
Ray studied an animal cell under a microscope. He made a drawing of the cell and labeled some of its parts.
Which label should the student write in place of the question mark?
A. Nucleolus
B. Ribosome
C. Cell wall
D. Cell membrane
D. Cell membrane
Some changes to Earth's surface happen very slowly while others happen very quickly.
Which phenomenon changes Earth's surface more slowly than the others?
A. tsunami
B. earthquake
C. mudslide
D. weathering
D. weathering
Ms. Holguin asked her students to draw picture of an invertebrate.
Which students correctly draw an invertebrate?
a) Students A and B
b) Students B and C
c) Students B and D
d) Students A and D
c) Students B and D
A scar is an example of a(n) __________________.
A. Instinct B. Learned behavior
C. Inherited trait D. Acquired characteristic
D. Acquired characteristic
Chloroplasts are organelles found in plant cells. What is their function (job)?
Turn sun-energy into food through photosynthesis.
The pictures show the same beach at two different times.
Which is the MOST likely cause of the beach getting smaller?
A. deposition of sand
B. erosion of sand by waves
C. sand dissolving in the water
D. gravity pulling sand away from the beach
B. erosion of sand by waves
Students performed a science experiment where they changed the color of flowers.
Why did the flowers change color?
A. They are nonvascular and the dye traveled up the stem (tube) with the water.
B. They are vascular and the dye traveled up the stem (tube) with the water.
C. They are deciduous and the dye traveled up the stem (tube) with the water.
B. They are vascular and the dye traveled up the stem (tube) with the water.
Name one inherited and one acquired trait of the girl in the picture.
Answers will vary.
Possible answers.
inherited: eye color, skin color, freckles, smooth chin
acquired: dyed hair
What is the function of the nucleus?
Directs all activities for the cell. It serves as the brain and holds the DNA.
The pictures show some changes to a river over time.
Which best explains how the landform in the river changed over time?
A) The river eroded sediments from the landform.
B) Rocks under the river were pushed up by faulting.
C) Sediments were deposited on the landform from the river.
D) Weathering caused the landform in the river to become larger.
C) Sediments were deposited on the landform from the river.
Mrs. Kim classifies some plants into two groups.
What are most likely the names of the two groups?
a) ferns, flowers
b) vascular plants, nonvascular plants
c) nonvascular plants, coniferous trees
d) spore producing, seed producing
d) spore producing, seed producing
Is a bird song acquired, inherited, or both? Explain.
A bird's song is both inherited and acquired.
Acquired
Birds learn to refine their song through listening to and mimicking adult birds. This motor learning is influenced by environmental factors like auditory experience, social interaction, and seasonal changes.
What is the difference between something that is eukaryotic and prokaryotic?
Eukaryotic is made up of many cells (animals, plants, fungi).
Prokaryotic is a singe celled organism (bacteria, and blue-green algae).
Eukaryotic cells have a nucleus and other membrane-bound organelles.