Biology Questions & Answers

\( \begin{array}{ll}\text { 6. Віруси спричиняють: } & \text { 6) ангіну; } \\ \begin{array}{ll}\text { a) жовтуху; } & \text { г) дизентерію. } \\ \text { в) малярію; } & \text { - }\end{array}\end{array} \)

What is the purpose of the middle ear? A. To convert mechanical waves into electrical waves. B. To evaluate the quality of sound. C. To convert sound waves into mechanical waves. D. To collect and focus sound waves.

3.1.1 Which ... (a) period saw the arrival of the first land plants. (b) group of animals survived the longest in this era.

Discuss the potential long-term impacts of ocean acidification on marine ecosystems and human industries reliant on ocean resources. (One paragraph of 5-7 sentences)

Article sleep. When only one hemisphere of a brain is 1) REM stands for and NREN steep at a time, this is called is someone who has difficulty falling and staying asleep. 2) What are three differences between REM sleep and NREM sleep?

producers for respiration is \( 1.2 \mathrm{~kg} \mathrm{C/m²/year} \),and the energy used by the ecosystem. Show your work, with units. The NPP of a particular wetland ecosystem is found to be \( 18,000 \mathrm{kcal} / \mathrm{m}^{2} / \mathrm{year} \). If respiration by the producers amounts to \( 2,000 \mathrm{kcal} / \mathrm{m}^{2} / \mathrm{year}, \mathrm{calculate} \) the GPP for this ecosystem, in kcal/m²/year. Show your work, with units. It is estimated that the oceans provide more than half of the Earth's net productivity through photosynthesis. Explain how protecting the ocean benefits not only marine organisms but also terrestrial organisms.

29. A marine biologist studies the population of seals in a research area. How many seals are in the research area? Seal population \( 3.21 \times 10^{2} \)

1. tell scientists how plants were domesticated 2. Plants that would not lose were chosen to grow 3. Plants grown for 2 reasons: a. b.

Plants maintain homeostasis by _____.

rinary incontinence' refers to the loss of bladder control. Describe how the nervous system and the muscular system work together to achieve bladder control.