A lawn sprinkler spins in a circle. The sprinkler covers a radius of 12 feet. Which choice is the closest to the area of lawn that the sprinkler can cover? 75 square feet 113 square feet 452 square feet 1,809 ...
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There are ______ two ______ reactions in photosynthesis; light and ______ energy ______. In the light reaction, ______ oxygen ______ and water are ______ absorbed ______ by the chloroplast. Sunlight is used for ______ ______ and water is broken down ...
Select the materials that the leaf uses for photosynthesis. sunlight sugar carbon dioxide oxygen water
Drag and drop the labels to complete the graphic organizer showing the input and output of photosynthesis. Gas that you breathe out Gas that you breathe in Primary source of all energy carbon dioxide oxygen photosynthesis sunlight water sugar
What is the primary reason organisms undergo cellular respiration? to create energy from the sun to get rid of wastes to convert food to useable energy to supply plants with carbon dioxide
Select the materials that the leaf uses for photosynthesis. – oxygen – sunlight – water – carbon dioxide – sugar
Many animals have skeletons or other supportive structures, whereas plants do not. Most animals cannot make their own food by photosynthesis, while most plants can. How do these differences relate to differences in the cell structures of plants and animals? ...
Match the structures listed to the cells shown. bacteria cells – cell membrane, cell wall, chloroplasts, nucleus, other organelles fish embryo cell – cell membrane, cell wall moss leaf cells – cell membrane, nucleus, mitochondria, other organelles
Bacteria cells Fish embryo cell Moss leaf cells multicellular prokaryotic unicellular eukaryotic
Define each organism type as unicellular or multicellular and each cell category as eukaryotic or prokaryotic. unicellular eukaryotic prokaryotic
The dots visible in the frog and onion cells are nuclei. What type of cells are frogs and onions made of? Record your data. Start Typing…
The cell has a membrane and ribosomes but no organelles. Select The cell has many chloroplasts. Select The cell has a cell membrane and mitochondria but no cell wall. Select The cell has a nucleus. Select
Which animal cell structures are involved in obtaining and using energy? A. lysosomes and mitochondria B. nuclei and cytoplasm C. smooth ER and rough ER D. Golgi apparatus and rough ER
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Which structure in this cell has a similar function to that of skin cells that interact to form a protective barrier in animals? A) Flagellum B) Cell membrane C) Nucleus D) Ribosome
Read this excerpt from the text. Anish Tuteja studies lotus leaves and other structures in nature to A manage marine life and protect oceans from contamination. B predict the impact of rain on the natural environment. C design fabrics based on natural colours ...
This selection is mainly about how scientists are A engineering ships that can more easily move through the water. B designing surfaces to help more birds develop water repellent coats. C learning from plants and animals to create materials that repel the cold. D ...
Which is represented by the image? o smooth muscle o cardiac muscle o actin and myosin activated o sacromere and tendon
The scientists in this story think they might teach a dolphin to make human sounds. Why do they think this? A Dolphins like to make noises. B Dolphins are highly intelligent. C Dolphins are strong swimmers. D Dolphins like to ...
Which level of organization is seen in both Arcobacteraceae and the human stomach? a) cell b) tissue c) organ d) organ system
Which level of organization is seen in both Arachnoidiscus ehrenbergii and the human stomach? cell tissue organ organ system
Identify one way land can be worn away at the coast Identify one type of weathering What is the key term we use instead of saying plants/tree What type of geography is a coast? What is a disadvantage of living ...
How are bones linked together Define “balanced diet” State the 7 main organs in the digestive system
What is the most important benefit to farmers who use an aquaponic system? A They can use one tank to save space in a small room. B They can sell their system to other farmers. C They can avoid costs ...
In an aquaponic system, plants and fish provide the best environment for each other. The fish act as fertilizers and the plants act as A heat regulators. B solid waste. C helpful bacteria. D water filters.
What are two primary advantages to farmers of hydroponic systems? A) Plants can withstand fluctuations in temperature and humidity. B) Plants in greenhouses are exposed to the direct rays of the sun. C) Plants are less susceptible to outbreaks of ...
A chemical called fluoride (FLOR-ide) is also added to water in the reservoir. This chemical helps keep teeth healthy. Toothpaste often contains fluoride.
The hormone levels increase to prepare a woman’s body to receive a fertilized egg. The hormone levels decrease to prepare a woman’s body to receive a fertilized egg. The hormone levels increase, and the next menstrual cycle begins with shedding ...
Horses and zebras can be bred to produce a zorse, which is infertile. Which is most likely the reason zebras and horses are considered separate species? O They cannot breed. O Their offspring cannot breed. O They look different from ...
Spiders do not have eight legs. Insects do not have six legs. If spiders evolved first, six legs is the derived trait. Spiders do not have derived traits, since they evolved first.
Something about the aroma of the honeysuckle flowers and Stick Dog’s soothing voice settled the other four dogs considerably. An aroma is a –. A. distinctive odor that is pleasant B. satisfying or delicious taste C. vibrant color that stands ...
Which two components of the blood were functioning at a higher level than normal? platelets and plasma plasma and red blood cells white blood cells and platelets red blood cells and white blood cells
A weakened immune system may be caused by an overproduction of lysozymes. muscle disorders. immunodeficiency disorders. complement systems in the blood.
The hormone levels increase to prepare a woman’s body to receive a fertilized egg. The hormone levels decrease to prepare a woman’s body to receive a fertilized egg. The hormone levels increase, and the next menstrual cycle begins with shedding ...
Draw the cladogram for amphibians. Draw the cladogram for reptiles. Draw two cladograms, both showing the traits, and leave it as a hypothesis. Draw two cladograms, both showing the traits, and have scientists vote.
Horses and zebras can be bred to produce a zorse, which is infertile. Which is most likely the reason zebras and horses are considered separate species? They cannot breed. Their offspring cannot breed. They look different from each other. They ...
Why are the Miller-Urey experiments essential to the theory of evolution? They showed that life can only come from life. They showed that electricity can create life. They showed how organic molecules could be made from Earth’s early atmosphere.
Since more offspring are produced than an environment can support, organisms within a population must compete for resources to survive. Due to variations within the population, some competitors will be better equipped for survival than others. The best-equipped organisms will ...
Asbestosis is a lung disease that is caused by inhaling asbestos, a mineral that was once used as insulation and fire retardant in building materials. Which best describes asbestosis? It disproves spontaneous generation. It offers supporting evidence regarding miasma. Its transmission ...
What chemical substances coordinate many processes in the body?
Plant cells have a cell wall instead of a cell membrane. True or false?
The total magnification of a microscope can be calculated using the equation: eyepiece lens magnification × objective lens magnification. An image is ...
In the diagram of a plant cell, what substance is feature E made of?
What compound receives electrons from NADH? FMN ubiquinone cytochrome c1 oxygen
Which enzyme exerts the most control on glycolysis?
In experiments to test whether a protein can enter the nucleus, why would proteins be labeled with fluorescent molecules?
A small protein (molecular weight = 25,000 daltons) is injected into a cell and observed in the nucleus a short time later. What type of transport has taken place?
True or false? Large proteins containing a nuclear localization signal (NLS) bind to the nuclear pore and enter the nucleus without any expenditure of energy.
Which molecules do not normally cross the nuclear membrane?