Tumors cannot grow beyond a certain size or spread without a blood supply
a. true
b. false
Ans: a. true
Biology & Microbiology
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Which two types of tissue are responsible for rigid support in a plant?
a. cork and fibers b. phloem and fibers c. phloem and xylem d. xylem and fibers
Biology & Microbiology
What is the main benefit of identifying biodiversity hotspots?
a. Protecting endemic species b. Restoring keystone species c. Facilitating captive breeding d. Monitoring climate change
Biology & Microbiology
Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra’s skin. The oxpeckers get food and the zebras get pests removed.
A. Mutualism B. Commensalism C. Parasitism D. Predation
Biology & Microbiology
What two inputs are needed for cellular respiration?
A.) light and glucose B.) H2O and glucose C.) H2O and oxygen D.) glucose and oxygen
Biology & Microbiology