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BIOLOGY
HIGH SCHOOL
Which of the following are not biotic factors in a terrestrial ecosystem?a. herbivore populationb. plantsc. riversd. soil bacteria
BIOLOGY
HIGH SCHOOL
The cardiovascular system is also known as the ________.
BIOLOGY
HIGH SCHOOL
The leaves of plants have layers that perform different functions. The _____ layer contains the chlorophyll, which carries out most of the photosynthesis in the leaf.upper epidermispalisadespongylower epidermis
BIOLOGY
HIGH SCHOOL
suppose that your friend is moving far away and describing his new location. He mentioned that Derreck gets a lot of precipitation for most of the year, except for the summer, which is cool and dry. He also noted that his house is surrounded by flowering trees in conifers and that he saw at least 3 camouflaged animals more quickly than his sister could. Which biome well his new home be part of?
BIOLOGY
HIGH SCHOOL
The female gamete is called a/an cell and the male gamete is called a/an cell.
BIOLOGY
HIGH SCHOOL
when you take the exit ramp ooff the expressway and merge onto the next road, you see yellow lines dividing the roadway. what do the yellow lines tell you about the traffic flow?
BIOLOGY
HIGH SCHOOL
Which is biotic? water temperature beeswax snow
BIOLOGY
HIGH SCHOOL
Rattlesnakes have thermoreceptors on the front of their faces called _____ organs, which allow them to detect infrared radiation.setaepitthermoheat
BIOLOGY
HIGH SCHOOL
The type of learning that involves problem-solving is called
BIOLOGY
HIGH SCHOOL
Half of the polar bears in a small population die. This population may experience changes due to
BIOLOGY
HIGH SCHOOL
All organisms contain DNA, and every organism's DNA is made of the same four nucleotides. The differences between organisms is simply based on the order of these nucleotides. Since all organisms have the same basic, universal structure for DNA, which of these must also be universal? A) All organisms have the same proteins. B) All living things must have the same amount of DNA. C) All organisms must be genetically identical to each other. D) All codons in all organisms' DNA code for the same amino acids.
BIOLOGY
MIDDLE SCHOOL
How do fossils provide evidence that evolution is taking place
BIOLOGY
HIGH SCHOOL
Which structural characteristic is seen in RNA but not in DNA? double strands a single strand chains of nucleotides a helical shape
BIOLOGY
HIGH SCHOOL
Sponges have no “true tissues.” What does this mean?Select one of the options below as your answer:a. They perform body functions by diffusion.b. They have organs for specific functions.c. Similar cells do not cooperate together.
BIOLOGY
HIGH SCHOOL
Which type of neuron allows someone to feel when raindrops fall on his or her arm?cell neuronmotor neuroninterneuronssensory neuron
BIOLOGY
MIDDLE SCHOOL
Why can some fossils form in cold temperatures
BIOLOGY
HIGH SCHOOL
Which of the following statements about glucose is correct?A.) Glucose is a less stable carbon compound than carbon dioxide is.B.) Glucose is a more stable carbon compound than carbon dioxide is.C.) Glucose is produced during cellular respiration.D.) Glucose is NOT a carbon compond
BIOLOGY
HIGH SCHOOL
The most easily polluted groundwater reservoirs are A. sewage plant reservoirs.B. water-table aquifers.C. salt reservoirs.D. artesian wells.
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