Biology EOC Pretest

Which fate of the mealybug (pest) would result from the inability of the species to reproduce?

Which of these best describes mutualism?

What is the main function of a selectively permeable cell membrane?

Two gametes containing 20 chromosomes fuse during fertilization.How many chromosomes in zygote?

A strand of DNA is exposed to intense heat. Which best describes what will happen to the DNA?

Which describes what most likely will happen if global warming continues at its present rate?

Which of these best explains the way animals & plants exchange gases with their environments?

What is the result of the fertilization of an egg?

Which best explains the relationship among nucleus(N), ribosome(R),& ER in making a protein(P)?

What most likely would be the outcome for loulu trees in the next century without intervention?

Which would be least likely to diffuse across the phospholipid bilayer of a cell membrane?

Which abiotic factor limits the altitude at which plants can grow?

The cactus finch, eats insects off cactus plants -> cacti dies -> the carrying capacity?

A new species of snake introduced--> a steady decline in mice& increase in the # of snakes. Y?

A molecule can easily pass through the selectively permeable membrane of an animal cell.

How would a drop in temp most likely affect cellular respiration & photosynthesis?

How many daughter cells are formed in meiosis?

Which of these shows the steps by which proteins are coded andsynthesized?

A flood adds sediment to the river where fish live&need freshwater to survive.What will happen?

Which structure is primarily responsible for directing all processes of aplant cell?

Which of these would lead to a lower rate of photosynthesis in a plant?

A fire destroys most of the trees in a state park. How will secondary consumers be affected?

round wings (R), pointed wings (r). Which will produce the greatest number of g&p variations?

A reduction in which of these would lead to a decrease in all the other populations in the web?

Which process allows for an organism to increase the number of body cells during development?

Some plant species survive and others do not in a changing environment. This is explained by

?will happen if an animalcell that has a solute con of 1% is placed in a 5% saltwater solution?

Which of these best describes the initial change caused by aDNA mutation?

The gopher snake produces a hiss that sounds similar to a rattlesnake’s rattle. Why?

Which of these directly allows blood cells to transport oxygen to various parts of the body?

Which statement describes a way in which cellular respiration differs from photosynthesis?

Which best describes an advantage of asexual reproduction for a population of organisms?

The chromosome structure in a cell accounts for genetic variation based onthe order of its

A cell with 24 chromosomes undergoes mitosis twice.How many chrom will each daughter cell have?

What is the role of hydrogen bonds in the structure of DNA?