mussel lives in fast-moving waters.    Question 2 options:   Dark coloured shell   Heavy, thick shell   Thin shell   Small, lightweight shell   Increased numbers of bumps, ridges and/or pustules on the shell surface

Select the statement which best describes the Kingdom Animalia   Question 12 options:   All members are symmetrical   All members are vertebrates   All members use internal fertilization   All members have one motile life stage

Can you answer all the parts to this question regarding sharks  A: The reproductive organs on a shark are called claspers.  But do they actually clasp the other shark?   B: Why are there two claspers?

7

Visit the SHARK LAGOONhttps://explore.org/livecams/aquarium-of-the-pacific/shark-lagoon-cam1. Observe these sharks as they swim by. How can you tell which are males and which are females?2. Observe the sand tiger shark, which is in the same order as the white shark, i.e., a mackerel shark. How many gill slits does it have?3. Sharks are able to detect bioelectric fields of their prey. What other adaptations (morphological, behavioral, or physiological) do these sharks possess that make them excellent predators?

(This is a nongraded question) Discuss how the circulatory system of cephalopods has been adapted to enable their active, predatory lifestyle.

Use the data (shown in red) to calculate the percent of embryos that developed at each pH (questions 27-29) % Developed (fill this column in) pH # of tadpoles # tadpoles+ eggs 10 40 27) 20 43 28) 7. 22 23 29) Use that data in the table above to answer the following questions. What pH had the greatest negative effect on amphibian development? Which pH had the least effect on amphibian development? Based on these results what effect do you think acid rain has on amphibian development?

Prehensile tails are seen in certain primate species in which taxonomic group? Group of answer choices Platyrrhine Strepsirrhine Hominoid Cercopithecoid

CHOOSE ALL THE APPLY: Hemocyanin is found in which Phyla? Annelids Chordates Some (but not all) mollusks Horseshoe crabs

Q6: select all answer choices that apply (there could be more than 1 answer)