what's the ability of animals to associate one feature with another feature?
What is associative learning
100
where does sweet potato store food and water?
in roots
100
what two factors produce variation that makes evolution possible?
mutation and sexual recombination
100
What type of cross involving (BbRr x BbRr)
dihybrid cross
100
Krebs cycle is also know as _______cycle.
What is citric acid
200
what is the sum total of a species' use of the biotic and abiotic resources in its environment?
What is niche
200
Is corn a monocot or eudicot?
a monocot
200
When individuals colonize a remote area, and their descendants become seperated geographically from their ancestor, what kind of speciation is it?
allopatric speciation
200
What do you call the tiny pieces in a lagging strand during DNA replication?
What is Okazaki fragment
200
T or F
Chloroplast is the organ for photosynthesis.
What is False
300
The larva of the hawkmoth puffs up its head and thorax when disturbed, looking like the head of a small poisonous snake. What do you call this type of defensive adaptation?
What is batesian mimicry
300
T or F
Vessel elements and tracheids are both water-conducting cells of the xylem.
True
300
T or F
Humans and plants are more closely related to each other than either are to fungi.
False
300
What type of mutation is it if there is a deletion in the nucleotides?
What is Frameshift mutation
300
what is the photosynthetic stage that produces oxygen?
What is the light-dependent reactions
400
True or False.
The dominant species are also called the keystone species.
What is False
400
What is the main adaptation angiosperms have that gymnosperms do not?
What is flowers and fruits
400
What do you call it when a phylogeny is similar due to convergent evolution rather than to shared ancestry
analogy
400
What type of cells in which meiosis occurs in humans?
What is cells of gonads (produce gametes)
400
What's the product of glycolysis?
What is 2 pyruvate, 2 ATP, and 2 NADH
500
Which of these ecosystems has the lowest net primary production per square meter?
a salt marsh,
an open ocean,
a coral reed,
a grassland.
What is an open ocean
500
what type of plant hormone promotes fruit ripening and opposes some axin effects?
What is ethylene
500
What does land plant evolved from?
green algae
500
Cells spend approximately ______ percent of its cycle in mitosis.
What is 10%
500
What is the enzyme that uses the flow of hydrogens to drive phosphorylation?