Living Environment 1
Living Environment Knowledge Quiz
Test your understanding of key concepts in living environments with our engaging quiz! Designed for students and those interested in biology, this quiz covers essential topics such as human biology, ecosystems, genetics, and more.
Challenge yourself with questions like:
- What is the fun
ction of the placenta? - How do white blood cells contribute to our body's defense?
- What role do certain organisms play in ecosystems?
The major function of the placenta is
To exchange nutrients, oxygen, and waste between mother and fetus
Store food for the fetus
Cushion the fetus
Support the fertilization of the egg
White blood cells are most closely associated with which two body systems?
Circulatory and digestive
Circulatory and immune
Respiratory and nervous
Immune and digestive
A sample of DNA from a human skin cell contains 32% cytosine (C) bases. Approximately what percentage of the bases in this sample will be guanine (G)?
68
38
32
62
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
The synthesis of hormones
Homeostasis
The immune system response to antigens
The breakdown of water molecules
The hair color of two parents is brown. The hair color of their two children is brown. This is explained by
Natural selection
Heredity
Evolution
Environmental factors
Red food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction and affects their ability to breathe. This response to the food coloring is known as
A stimulus
Natural selection
An adaptation
An allergy
Doctors sometimes use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain
Antibodies
Antibiotics
Weakened pathogens
White blood cells
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
Ribosomes
Vacuoles
Mitochondria
Nucleus
A certain species of plant serves as the only food for the young larvae of a particular species of butterfl y. In a large fi eld, a disease kills all the members of this plant species. As a result of the plant disease, the butterfly population will most likely
Quickly adapt to eat another type of plant
Disappear from the area
Evolve to form a new species
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
Predator
Producer
Parasite
Scavenger
Building large manufacturing facilities can affect ecosystems by increasing the
Atmospheric quality
Biodiversity of the area
Demand for resources such as fossil fuels
Availability of space and resources
An ameba is a single-celled organism. It uses its cell membrane to obtain food from its environment, digests the food with the help of organelles called lysosomes, and uses other organelles to process the digested food. From this, we can best infer that
All single-celled organisms have lysosomes to digest food
Amebas are capable of digesting any type of food molecule
Single-celled organisms are as complex as multicellular organisms
Structures in amebas have functions similar to organs in multicellular organisms
As a way to reduce the number of cases of malaria, a human tropical disease, a specifi c DNA sequence is inserted into the reproductive cells of Anopheles mosquitoes. Which process was most likely used to alter these mosquitoes?
Cloning
Genetic engineering
Natural selection
Random mutations
Carnivorous plants, such as pitcher plants and sundews, live in bogs where many other organisms cannot. Due to the high rate of decomposition occurring in bogs, the environment is acidic and contains very little oxygen and nutrients. The bogs only support certain types of organisms because
Organisms in an environment are not limited by available energy and resources
The growth and survival of organisms depends upon specific physical conditions
Favorable gene mutations only occur when organisms live in harsh environments
Photosynthetic organisms can only inhabit environments that have a low acidity
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