which body system contains fingernails, skin, and hair?
reproductive
integu...
which body system contains fingernails, skin, and hair?
reproductive
integumentary
respiratory
endocrine
which of the following is not a way that adaptation organisms?
it increases their ability to find/eat prey.
it increases their ability to find/attract mates.
it makes them immune to all diseases.
it protects them from difficult climate conditions.
which of the following would a successful organism have adaptations to deal with?
cold climate
predators
difficult-to-find prey
all of the above
what causes the original "new trait" in a population?
genetic mixing
cross-breeding with other species
random mutations
all of the above
what is the outcome of a random mutation?
it is always bad.
it can be good or bad.
it is always good.
it has no effect on the organism.
how similar is your entire genome to another unrelated human's?
over 99.9%
about 50%
0% - there are no similarities at all.
it depends.
a strand of dna that used to read aaactcg now reads aactcg. what occurred?
chromosomal mutation
point mutation-insertion
dna recombination
point mutation-deletion
which of the following are humans considered to be?
herbivores
carnivores
omnivores
all of the above
which of the following statements is not true?
the top predators are not always the largest animals.
when humans eat vegetables, we are being primary consumers.
if an orangutan is a secondary consumer in one food web, it must be in all food webs.
secondary consumers only receive 1% of the original energy passed from the producers.
according to the 10% rule, it is healthiest to
the highest trophic levels.
the lowest trophic levels.
from all the trophic levels.
there are different healthy things to eat from any level, so it depends.
what kind of relationship does a human have with the bacteria that live in his or her body?
mutualistic
commensalistic
mostly parasitic
many are mutualistic, but there may be other species too.
Answers: 1
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Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.
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Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae
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Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?
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Which material is commonly used as a culture medium for living cells
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