Podcast
Questions and Answers
A researcher discovers a new species of plant in the Amazon rainforest. After analysis, it's found that the plant creates its own food using sunlight. Which classification best fits this plant?
A researcher discovers a new species of plant in the Amazon rainforest. After analysis, it's found that the plant creates its own food using sunlight. Which classification best fits this plant?
- Saprotroph
- Heterotroph
- Photoautotroph (correct)
- Chemoautotroph
In a remote, lightless cave system, scientists find a unique ecosystem. The primary producers in this ecosystem are bacteria that oxidize iron compounds to create energy. How are these bacteria classified?
In a remote, lightless cave system, scientists find a unique ecosystem. The primary producers in this ecosystem are bacteria that oxidize iron compounds to create energy. How are these bacteria classified?
- Chemoautotrophs (correct)
- Decomposers
- Heterotrophs
- Photoautotrophs
A gardener wants to grow a plant that can reach a height of several meters and efficiently transport water and nutrients from the roots to the leaves. Which type of plant is most suitable for this purpose?
A gardener wants to grow a plant that can reach a height of several meters and efficiently transport water and nutrients from the roots to the leaves. Which type of plant is most suitable for this purpose?
- Hornwort
- Fern (correct)
- Liverwort
- Moss
A biology student is comparing different types of plants. Which characteristic distinguishes vascular plants from non-vascular plants?
A biology student is comparing different types of plants. Which characteristic distinguishes vascular plants from non-vascular plants?
Which of the following adaptations would LEAST likely be found in non-vascular plants?
Which of the following adaptations would LEAST likely be found in non-vascular plants?
A remote island ecosystem is being studied to assess the conservation status of its unique species. Which factor would be MOST indicative of a species being classified as 'endangered'?
A remote island ecosystem is being studied to assess the conservation status of its unique species. Which factor would be MOST indicative of a species being classified as 'endangered'?
Deforestation in the Amazon rainforest significantly reduces the habitat available for jaguars. What is the MOST likely long-term consequence of this habitat loss on the jaguar population?
Deforestation in the Amazon rainforest significantly reduces the habitat available for jaguars. What is the MOST likely long-term consequence of this habitat loss on the jaguar population?
Which of the following scenarios would MOST likely lead to a species being declared extinct in the wild?
Which of the following scenarios would MOST likely lead to a species being declared extinct in the wild?
Which of the following is an example of an invertebrate?
Which of the following is an example of an invertebrate?
How do vertebrates differ from invertebrates?
How do vertebrates differ from invertebrates?
Which of these traits is unique to mammals as a class of vertebrates?
Which of these traits is unique to mammals as a class of vertebrates?
A species of frog is losing its habitat due to deforestation. Which of the following is the MOST likely consequence for this frog population?
A species of frog is losing its habitat due to deforestation. Which of the following is the MOST likely consequence for this frog population?
A species of migratory bird relies on a specific forest for nesting during the summer. If this forest is cleared for agriculture, what would MOST likely happen to the bird species?
A species of migratory bird relies on a specific forest for nesting during the summer. If this forest is cleared for agriculture, what would MOST likely happen to the bird species?
Which factor is MOST likely to contribute to a species becoming endangered?
Which factor is MOST likely to contribute to a species becoming endangered?
Which statement accurately compares vascular and non-vascular plants?
Which statement accurately compares vascular and non-vascular plants?
Which of the following characteristics is NOT associated with animals?
Which of the following characteristics is NOT associated with animals?
What is the primary distinction between vertebrates and invertebrates?
What is the primary distinction between vertebrates and invertebrates?
Which animal class is characterized by having feathers and laying eggs?
Which animal class is characterized by having feathers and laying eggs?
Which is a major threat to biodiversity that can lead a species to become endangered or extinct?
Which is a major threat to biodiversity that can lead a species to become endangered or extinct?
What is the MOST significant factor in determining whether a species is classified as endangered?
What is the MOST significant factor in determining whether a species is classified as endangered?
True or False: All plants can make their own food using sunlight.
True or False: All plants can make their own food using sunlight.
True or False: Plants transport water and nutrients because they have special tubes.
True or False: Plants transport water and nutrients because they have special tubes.
True or False: Mia planted liverworts in her backyard, expecting them to grow tall like sunflowers because they have stems that transport water and nutrients.
True or False: Mia planted liverworts in her backyard, expecting them to grow tall like sunflowers because they have stems that transport water and nutrients.
Which statement is true?
Which statement is true?
A new plant species is discovered in a rainforest. It lacks vascular tissue and grows close to the ground in damp areas. How should this plant be classified?
A new plant species is discovered in a rainforest. It lacks vascular tissue and grows close to the ground in damp areas. How should this plant be classified?
A scientist observes a population of birds whose numbers have drastically declined due to habitat destruction. What term BEST describes the conservation status of this bird population?
A scientist observes a population of birds whose numbers have drastically declined due to habitat destruction. What term BEST describes the conservation status of this bird population?
Which of the following characteristics is shared by ALL animals?
Which of the following characteristics is shared by ALL animals?
Flashcards
Chemoautotroph
Chemoautotroph
An organism that utilizes chemical energy from inorganic substances to produce food. They don't rely on sunlight.
Photoautotroph
Photoautotroph
An organism that uses light energy from the sun to produce food through photosynthesis.
Vascular Plants
Vascular Plants
Plants with vascular tissues (xylem and pholem) for transporting water and nutrients.
Non-Vascular Plants
Non-Vascular Plants
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Endangered Species
Endangered Species
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Extinct Species
Extinct Species
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Study Notes
Review Pointers
- Animal Characteristics are found on page 77
- Information on invertebrates and vertebrates are found on pages 78-80
- Learn about endangered and extinct animals on pages 83-84
- Vascular and non-vascular plants are covered on pages 87-90
Chemoautotrophs
- Use chemical energy from inorganic substances like sulfur, iron, or ammonia to produce food.
- They thrive in extreme environments such as deep-sea hydrothermal vents or underground caves
- They do not rely on sunlight
- Certain bacteria, such as sulfur bacteria and nitrifying bacteria, are examples of chemoautotrophs.
Photoautotrophs
- Use light energy from the sun to produce food through photosynthesis.
- Photoautotrophs are found in environments where sunlight is available, such as forests, oceans, and grasslands.
- Plants, algae, and cyanobacteria are examples of photoautotrophs.
Vascular Plants
- They have vascular tissues consisting of xylem and pholem to transport water and nutrients.
- They can grow tall and possess roots, stems, and leaves.
- Examples of vascular plants include ferns, trees, and flowering plants.
Non-Vascular Plants
- These plants do not have vascular tissues
- They absorb water directly from their surroundings.
- Non-vascular plants are typically small and they grow in moist areas.
- Mosses, liverworts, and hornworts are examples of non-vascular plants.
True / False Answers
- False, not all plants can make their own food; mushrooms are fungi which decompose organic matter
- False, pitcher plants, like Venus flytraps, are carnivorous and supplement their nutrition by trapping and digesting insects
- True, Bakawan (mangroves), like all vascular plants, have xylem and pholem that help them in the transportation of water and nutrients
- False, liverworts, are non-vascular plants do not have true stems, roots or vascular tissues; they absorb water directly from the surrounding, and stay small
Animal Identifications
- Javan Rhinos are endangered animals
- Baiji Dolphins have been declared extinct
- Passenger Pigeons are extinct
- Giant Pandas are endangered
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