Biodiversity
The introduction of the emerald ash borer beetle into Ontario destroyed millions of native ash trees because the local trees lacked evolutionary defenses against this non-native insect. This crisis highlights the impact of which biodiversity threat?
What is invasive species?
Predators often have large claws, sharp teeth and binocular vision.
What are adaptations
What are limiting factors
Organisms that eat plants and animals.
What is omnivore.
Rainforest, Desert and Boreal Forest
What are Biomes
A logging road splits a continuous southern Ontario Carolinian forest into two isolated fragments, causing many mammals to suffer from inbreeding and loss of reproduction. This scenario illustrates which major threat to biodiversity?
What is habitat fragmentation?
A lion hunts and feeds on various zebra and buffalo.
What is predation
Populations level off and become stable
What is carrying capacity
What is 10%
Photosynthesis is completed by which trophic level
what is producers
Commercial fisheries in the Great Lakes historically overfished top predatory lake trout populations until populations collapsed, causing a massive population rise of smaller forage fish. This demonstrates the ecological danger of which human activity?
What is overexploitation?
What is mutualism
Populations that exceed carrying capacity
What is overshoot
Make their own energy
What are producers.
We can categorize everything in an ecosystem as either...
what is abiotic and biotic
A massive disease outbreak sweeps through a forest consisting entirely of cloned pine trees planted for timber, wiping out the entire population within weeks. This outcome illustrates the vulnerability caused by a lack of which level of biodiversity?
What is genetic diversity.
A woodland tick attaches to a white-tailed deer, feeding on its blood over several weeks while transmitting Lyme disease-causing bacteria that weaken the deer. This biological interaction is characterized by what specific dynamic?
what is parasitism
Limiting factors that effect increase with population density
What are density dependent factors
What is pyramid of numbers
Top predators always have the highest concentration of toxins in their body
What is biomagnification
Conservation biologists introduce wolves back into an overpopulated deer forest, which in addition brings back songbirds and beaver populations. This species stabilization demonstrates the power of which level of biodiversity?
What is species diversity?
Two species of birds live in the same spruce forest and eat the same insect prey, yet they manage to coexist by foraging in completely different areas of the same forest. This behavioral adaptation is a direct evolutionary response to avoid what ecological outcome?
What is interspecies competition
What is logistic growth
a pyramid that is always largest at the bottom and smallest at the top
What is energy pyramid
products of this reaction are carbon dioxide, water and energy
What is cellular respiration