What base pairs with A in RNA?
U
Happens in body cells only.
mitosis
Having two of the same alleles.
homozygous
What is evolution?
change over time
What is a heterotroph?
cannot make its own food
What type of molecule gives you FAST energy and ends in "ose"?(carbs, lipids, or proteins)
carbs
Functions to produce gametes.
meiosis
A ___________________ trait is always expressed or shows up.
dominant
True or false: individual organisms can evolve during their lifetime.
false
Where is there more total energy - at the top of the food chain or at the bottom of the food chain?
bottom
What important molecule is ABSENT during fermentation?
oxygen
Responsible for growth and healing.
mitosis
The physical traits of an organism.
phenotype
What is natural selection?
some species survive better than others
What is a major cause of global climate change?
greenhouse gases
What is the function of the ribosome?
make proteins
makes different cells
meiosis
Red and white are codominant in flowers. If you cross a pure-breeding red flower with a pure-breeding white flower, what will the genotypes of the offspring be?
all red and white
able to reproduce with each other
Describe the carbon cycle.
(Name 1 organism that gives off carbon, and 1 organism that takes in carbon).
respiration, photosynthesis
Which organelle does photosynthesis, and which one does cellular respiration?
chloroplast, mitochondria
Makes haploid cells
gametes
Black is dominant to brown in bears.
A brown bear mates with a heterozygous black bear. What percent of their offspring will also be black?
50%
Name two types of evidence for evolution.
DNA, homologous structures
Two organisms are in a relationship that is mutualistic. Are they:
a) both helping each other?
b) one helping, one hurting?
c) bone hurting each other?
A