FREE AND STUDY GAMES ABOUT BIOLOGY MID! EXAM

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FREE AND STUDY GAMES ABOUT BIOLOGY MID! EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -54 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: what is the combined portions of earth called in which all living things exist

Answer:

biosphere

Question 2: menders principle of genetics apply to

Answer:

all organisms Question 3: all of members of a particular species that liv in the same area are called

Answer:

population

Question 4: Organisms need nutrients in order to

Answer:

carry out essential life functions

Question 5: organism that have 2 identical ales for a particular trait are said ti be

Answer:

homozygous

Question 6: if an organism diploid number is 12 its haploid number is

Answer:

6 Question 7: Which of the following descriptions about the organization of an ecosystem is correct

Answer:

species are grouped in populations, which make up communities Question 8: if two genes are on the same chromosome and rarely assort independently

Answer:

the genes are probably located close to each other

Question 9: is NOT a basic method used by ecologist

Answer:

classifying

Question 10: what are mender's factors called today

Answer:

genes Question 11: which type of pyramid shows the amount of living tissue at each trophic level in an ecosystem

Answer:

a biomass pyramid

Question 12: what animals eat both producers and consumers

Answer:

omnivores

Question 13: the branch of biology dealing with interactions among organisms and between organisms an their environment

Answer:

ecology

Question 14: Which of the following does NOT require sunlight to live

Answer:

chemosynthetic bacteria

Question 15: Unlike mitosis, meiosis results in the formation of

Answer:

four genetically different haploid cells Question 16: Situations in which one allele for a gene is not completely dominant over another allele for that gene are called

Answer:

incomplete dominance

Question 17: figure11-1

Answer:

crossing-over Question 18: how many different aloe combinations would be found in the gametes produced by a pea plant whose genotype was RrYY

Answer:

2 Question 19: what is the original source of almost all energy in most ecosystems

Answer:

sunlight Question 20: organisms that obtain nutrients by breaking down dead and decaying plants & animals called

Answer:

decomposers

Question 21: mendel concluded that traits are

Answer:

inherited through the passing of factors from parents to offspring

Question 22: green plants are

Answer:

producers

Question 23: linked genes

Answer:

are on the same chromosome Question 24: the total amount of living tissue within a given trophic levels is called

Answer:

biomass

Question 25: carbon cycles through the biosphere in all the following EXCEPT

Answer:

transpiration

Question 26: nitrogen fixation is carried out primarily by

Answer:

bacteria

Question 27: the principles of probability can be used to

Answer:

predict the traits of the offspring produced by genetic crosses Question 28: in the P generation, a tall plant aaas crossed with a short plant, short plants reappeared in the F@ gen b/c

Answer:

the allele for shortness and the allele for tallness segregated when the F1 plants produced gametes