August 2019 Living Environment Regents Questions 1-10 Question Preview (ID: 56858)

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In this pyramid, the greatest amount of stored energy is found at level

a) A

b) B

c) C

d) D

As a result of the plant disease, the butterfly population will most likely

a) quickly adapt to eat other plants

b) disappear from the area

c) evolve to form a new species

d) enter the adult stage more quickly

When handling cat litter, humans can potentially be exposed to a harmful single-celled protozoan. Its primary host is the common domestic cat, but it can also live in humans. This protozoan is an example of a

a) predator

b) producer

c) parasite

d) scavenger

Certain seaweeds contain a greater concentration of iodine inside their cells than there is in the seawater surrounding them. The energy required to maintain this concentration difference is most closely associated with the action of

a) ribosomes

b) mitochondria

c) vacuoles

d) nuclei

Doctors sometimes use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain

a) antibodies

b) antibiotics

c) white blood cells

d) weakened pathogens

Building large manufacturing facilities can affect ecosystems by increasing the

a) atmospheric quality

b) biodiversity in the area

c) demand for resources such as fossil fuels

d) availability of space and resources for organisms

From this, we can best infer that

a) all single-celled organisms have lysosomes to digest food

b) amebas are capable of digesting any type of food molecule

c) single-celled organisms are as complex as multicellular organisms

d) structures in amebas have functions similar to organs in multicellular organisms

White blood cells are most closely associated with which two body systems?

a) circulatory and digestive

b) immune and circulatory

c) digestive and excretory

d) excretory and immune

The bogs only support certain types of organisms because

a) organisms in an environment are not limited by available energy and resources

b) the growth and survival of organisms depends upon specific physical conditions

c) favorable gene mutations only occur when organisms live in harsh environments

d) photosynthetic organisms can only inhabit environments that have a low acidity

Anhidrosis is the inability to sweat normally. If the human body cannot sweat properly, it cannot cool itself, which is potentially harmful. Anhidrosis most directly interferes with

a) a feedback mechanism that maintains homeostasis

b) an immune system response to harmless antigens

c) the synthesis of hormones in the circulatory system

d) the enzymatic breakdown of water in cells

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