Ascientist is observing a gymnosperm. it is a desert shrub with needle-like leaves. the shrub has a deep root system and produces cones.

which gymnosperm is the scientist most likely observing?

she is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can grow as shrubs in deserts.

she is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.

she is observing a ginkgo because, unlike other gymnosperms, ginkgoes can grow as shrubs in deserts.

she is observing a ginkgo because, unlike other gymnosperms, ginkgoes can have needle-like leaves and deep root systems.

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.