Marissa is walking along the beach and finds an unknown organism on the shore. It has no symmetry, a nonporous surface, and tentacles. In which phylum can the organism be classified? A.
Ctenophora
B.
Cnidaria
C.
Arthropoda
D.
Ectoprocta

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time. c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle