Food Chains/Webs
Which organism is always at the beginning of every food chain or web?
a. consumers
b. predators
c. decomposers
d. autotrophs
d. autotrophs
The term for having two identical alleles for a gene is
a. homozygous
b. dominant
c. genotype
d. heterozygous
a. homozygous
A fox hunts for its prey, the rabbit. What type of ecological relationship is seen.
a. biotic
b. predation
c. commensalism
d. parasitism
b. predation
Chloroplasts are needed for which process?
a. photosynthesis
b. biomagnification
c. cellular respiration
d. fermentation
a. photosynthesis
What type of cell division divides somatic cells?
mitosis
Explain what happens to energy as it moves up an energy pyramid.
a. The amount of energy stays the same in each trophic level.
b. Consumers have more energy than producers.
c. The largest amount of energy is found at the top of the pyramid.
d. The amount of energy decreases as you move up the energy pyramid.
d. The amount of energy decreases as you move up the energy pyramid.
Which term describes the physical traits of an organism?
a. alleles
b. genotype
c. phenotype
d. homozygous recessive
c. phenotype
Which relationship shows two organisms benefitting from each other?
a. competition
b. commensalism
c. mutualism
d. abiotic
c. mutualism
Which organelle is responsible for breaking down food (sugar) to convert it to energy for the cell to use?
mitochondria
What type of division shows the number of chromosomes reduced in half?
meiosis
grass->rabbit->snake->hawk
Which organism eats the snake?
hawk
UU and KK are examples of what type of genotype?
homozygous dominant
Which of the following are examples of abiotic factors?
a. insects and dogs
b. soil and water
c. temperature and bacteria
d. birds and oxygen
b. soil and water
Which organelle allows the passage of certain materials through the cell?
cell membrane
How many cells are produced at the end of mitosis?
2
A hawk eats a snake, a snake eats a frog, a frog eats an insect, an insect eats vegetation. What tropic level is the frog in?
a. primary producer
b. secondary consumer
c. tertiary consumer
d. primary consumer
b. secondary consumer
Brown eyes (B) are dominant to green eyes (b). Write all the possible genotypes to represent green eyes.
bb
What is the relationship where one organism benefits and the other organism is unaffected?
commensalism
Describe one similarity between eukaryotic and prokaryotic cells.
Either answer is acceptable -
1) They both have DNA.
2) They both have a cell membrane, cytoplasm, or ribosome
A dog's skin cell has 78 chromosomes, how many chromosomes are in its sperm cell?
39 chromosomes
A hawk eats a snake, a snake eats a frog, a frog eats an insect, an insect eats plants.
Which organism has the least amount of energy?
Hawk
Having dimples is dominant to not having dimples. Create a Punnett square of a parent that is homozygous dominant for dimples and a parent that is heterozygous for dimples. What are the chances in percent that they will have offspring that don't have dimples?
0%
Name 3 examples of biotic factors
Any answer that is a living thing is acceptable.
Here are some sample answers: flowers, grass, bacteria, plants, animals, humans.
Give an example of an organism that has eukaryotic cells inside of its body.
Any of the following examples is acceptable: Plants, animals, fungi, or protist
Name the 4 phases of mitosis in order.
prophase, metaphase, anaphase, and telophase