What are attached permanently?
Options:
- (A) Veins and arteries.
- (B) sensory neurons
- (C) barnacles
- (D) tadpoles
- (E) seahorses
- (F) alligators
- (G) adult sponges
- (H) an organism's body
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Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently and cannot move.... So the answer is [(G)]


What do all cells share?
Options:
- (A) basic function
- (B) Veins and arteries.
- (C) exact structure
- (D) how they look
- (E) energy usage
- (F) Electrical energy
- (G) types of protein
- (H) Chemical energy
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Let's think first: All cells share some of the same structures and basic functions. Biological structures are too complex. Cells are complex but all share basic functions.... So the answer is [(A)]


Mitosis is out of control due to what?
Options:
- (A) fire
- (B) infection
- (C) cancer
- (D) viruses
- (E) pathogens
- (F) Winter
- (G) death
- (H) pesticide
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Let's think first: Cancer cells divide more often than normal cells, and grow out of control. Mitosis is a process by which cells divide. Cancer Mitosis is out of control.... So the answer is [(C)]


What sea creature can sometimes be microscopic?
Options:
- (A) squids
- (B) a fish
- (C) fungi
- (D) tortoises
- (E) fossils
- (F) barnacles
- (G) bacteria
- (H) alpacas
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Let's think first: Some mollusks are nearly microscopic. Interestingly, a squid is also a mollusk. Some squids are nearly microscopic.... So the answer is [(A)]


Thyroid hormones increase the rate of 
Options:
- (A) by making heat
- (B) the rest of the body
- (C) female sex cells
- (D) Helps them grow
- (E) hydration of their cells
- (F) heat produced
- (G) converting food to energy
- (H) aerobic capacity
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Let's think first: Thyroid hormones increase the rate of metabolism in cells throughout the body. Metabolism is the process of converting food to energy. Thyroid hormones increase the rate of converting food to energy.... So the answer is [(G)]


What is a biomass' position in the food chain called?
Options:
- (A) ecosystem
- (B) more abundant
- (C) action
- (D) food swamp
- (E) Chemical energy
- (F) Trophic level
- (G) permineralization
- (H) It decreases
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Biomass is the total mass of organisms at a trophic level. Trophic level refers to the organisms position in the food chain. A biomass' position in the food chain is a trophic level.... So the answer is [(F)]