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WorksheetsLiving Environment Regents Review
Total questions: 30
Worksheet time: 35mins
A vaccine contains...
cow pox
a small amount of the pathogen that is weakened or dead
a large amount of the pathogen
small pox
If body temperature is too high, some blood vessels increase in size and sweat glands will excrete sweat, resulting in a lower body temperature. These changes are an example of
a learned behavior
feedback mechanisms
an inherited disorder
genetic mutations
Which process must first take place in order for the proteins in foods to be used by body cells?
digestion
storage
synthesis
excretion
Which statement is characteristic of reproduction in humans?
The reproductive cells of males and females differ in chromosome number.
Males and females produce gametes in the ovaries.
Males and females produce the same number of gametes.
The reproductive cycles of males and females are regulated by hormones.
The diagram below represents the formation of a cancerous growth. Which statement best explains the events represented in this diagram?
A gene mutation caused the cells to become muscle cells.
The growth resulted from the introduction of a vaccine.
A gene mutation caused abnormal mitotic cell division
The growth resulted from uncontrolled meiotic cell division.
A diagram of the female reproductive system is shown below. Identify the structure within which the egg cell is normally fertilized.
A
B
C
D
Five different living organisms are represented below. Which statement about the organisms represented above is correct?
All of the organisms are autotrophs.
Only the flowering plant, green heron, and aquatic plant carry out photosynthesis.
Only the frog and green heron can maintain homeostasis
All of the organisms pass on traits through reproduction.
Mistletoe is an evergreen shrub that can produce most of its own food. Often, mistletoe can be found living on trees and taking water and nutrients away from the tissues of the trees. The relationship between mistletoe and trees is an example of
consumer/herbivore
predator/prey
scavenger/decomposer
parasite/host
The diagram below represents an important biological technique scientists rely on to produce replacement hormones. Which two processes are required for the technique to successfully produce hormones?
replication of DNA in bacterial cells and cell division
replication of DNA in bacterial cells and gamete formation
meiosis and development
mitosis and fertilization
Research has shown that treadmill training increases the number of certain energy-releasing structures in the brain cells of rats.The cellular structures referred to in this study are most likely
mitochondria
nuclei
vacuoles
ribosomes
In an effort to reduce the number of deaths due to malaria, scientists have successfully introduced a gene into mosquitoes. The gene makes the mosquitoes unable to support development of the parasite that causes malaria. The technique used to produce this new variety of mosquito is most likely
chromotography
genetic engineering
electrophoresis of genes
selective breeding
Acid rain is a major problem in the Adirondack Mountains. Evidence that acid rain negatively affected the Adirondack ecosystem is that
this rain has increased the amount of water in Adirondack lakes
there has been a decrease in the variety of fish found in Adirondack lakes
the amount of carbon dioxide in the air over the Adirondack Mountains has drastically decreased in recent years
the number of heterotrophic organisms in Adirondack lakes has increased
The following events occur during sexual reproduction:
A. mitosis
B. meiosis
C. fertilization
D. birth
Which sequence represents the correct order of these events during sexual reproduction?
A → C → B → D
B → C → A → D
C → B → A → D
B → A → C → D
Which two systems work together to maintain homeostasis while transporting oxygen throughout the body and removing carbon dioxide?
circulatory and respiratory
respiratory and excretory
circulatory and digestive
respiratory and digestive
