Quiz 1 Flashcards
How do copepods avoid predation in turbulent waters
Through rapid swimming and detection of water movement
An instance where environmental factors influence reproductive success in marine animals?
Timing of gamete release with lunar cycles
When an organism is exposed to toxic metals, what is the typical biochemical response observed within hours?
Increase in metallothionein concentration
What factor can shift the geographic range of marine species as sea-surface temperatures increase due to climate change
High-temperature stress
What term describes the difference between energy intake and the cost of metabolism in an animal?
Scope of growth
What is the impact of climate change on the distribution of intertidal species as seen in recent decades
Increase in southern species and decline in northern species
What is the challenge for marine species living in polar waters
Freezing conditions and the formation of ice
Why is acclimation important for mussels collected in different seasons when transferred to new temperatures
It allows physiological adjustment to new temperature ranges
How do marine viruses affect plankton communities
By infecting lysing phytoplankton, recycling nutrients
What is a common consequence of harmful algal blooms caused by dinoflagellates
Depletion of oxygen and release of toxins
What is the most common nonsexual reproduction in multicellular marine organisms like corals?
Fragmentation
Which strategy increases the likelihood of sperm and egg encounter in free-spawning species
High population density
What cellular adaptation allows marine organisms to survive in near-freezing waters?
Production of antifreeze-glycoproteins
What reproductive strategy is used by organisms like Atlantic salmon to maximize offspring survival
Semalparity
Which of the following is true about diatoms
They have silica-based cell walls and are a major group of phytoplankton
